diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json
index a76cc47bc2a8938e94b6a30b077d6ea82a14b3eb..ef1ea8f9848a03eae092b911558e183eab4876a5 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-1.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-10.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-10.json
index de93de0ad446bcdef387a896005c7c57dd858ec2..6bf7dda299b27e3f1d88838292d058777b6b55e1 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-10.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-10.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json
index 484dd28a04ed92f4ffe40341ec2ec4b7b242ef1b..91f6c8911397911c0a16c920d7e6e887021763f9 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-11.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json
index 8e1f5d025e8c0cab1dfdbd82a581cfdd3a86d90b..c8b1c2243e3c315ccec7a8a255cb89cf5df10d2f 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-12.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json
index 6fca9f04682b7c467f9c89f49591aff9c6204024..d4e0b569e6d82852175139e68d342e77ac3bbe3e 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-13.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json
index 10a2990d961e642e0d7053af3f2ebfdc0a342e27..272a3a2d049a47e2be530678ca28c896104046f1 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-14.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json
index d150b7937025839fdf2459b9190927ad9de7d2ce..51ad1e36bd2cdc8f8fac1984b6a7af9355c964c6 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-15.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json
index 95088f5e3e1776bff94d9d39de5c12500a917d95..72d438883c6bed69b099a3e91ee5f480a7820b77 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-16.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json
index fad1118cb527bf3a21f7a9f224ed9ff1410a1ea3..9086f24ea2f2b268ac7e075400b18709060145ed 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-17.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json
index c36ca3e5839f61c58a9c1991b027c441d5868d39..062e08ef0fa92857e05f9578d99a75bf0e2eb3be 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-18.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json
index 8c7e28c08e57cbc5ea7dbc1aeae3e3394c15dd97..e715cdb185e3fdb06d19868dc966377779e5500d 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-19.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json
index 36e0f7d692512b023636bed6a85918d078e55a60..a4d7736fd044a4d5c01826a7a4e35e7663d958ce 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-2.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json
index 5e00661828c0421c5630c67a474255b883640cfb..644551974e8d6547147bb817bc627d3419742793 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-20.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-21.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-21.json
index aae138e315edc7c17b7d6f0d76be89bfedf1d684..1aeeda93bd29ffe241256b11ff16ca11041bf61c 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-21.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-21.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-22.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-22.json
index 2bc57cdcedf0b233b27aec12f6b14286e6253a1e..05fec6422c46f45a7eb82ee656c1f4e1314eda59 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-22.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-22.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-23.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-23.json
index caea3be02c9571b078ed11d077ad3f8adb28fe0f..980efc88f89158b7005ab15dd55ba29333d3d1d7 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-23.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-23.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json
index bd1c09b68d3a24ffee591e1f29258aff69f50fe6..2028ae3fdbd2409ff989fce2aa003b67b4059160 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-24.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-25.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-25.json
index 4ad106f13688d1094baa6c4577a4110fc6032b62..15c6e5e31298f823860791c6d2d3c8fbd55b7c85 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-25.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-25.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-26.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-26.json
index 3c528c65b8b3e0d1d9168789ffb2df219995466f..062d8f66f8af74d01c6b531df92989162539f0ca 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-26.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-26.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json
index c3d532090c4e7989c13f8e13f72bef9e4eb6976e..c2fe4877bc147e69567134d1459c5b2462e4ac82 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-27.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-28.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-28.json
index f681b0cd6bd9b8f021f6f83f2e9d1d39d2eaf253..c5e20e7522d6b6d2b7d3f76996bc7491f4eba512 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-28.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-28.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json
index be79b47ee7090c437b768db978bb55a15f3a8847..b61a71adec5a5bf6d64f9345ad3fcefc14c47aa6 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-29.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json
index 8de776fc069585b962a1b5ab3c7f276e150780d2..4311b06954ce633fb460dcd0d1ad652bcf1e913e 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-3.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json
index 8cd9dde99d90131053d773976d07e50307d91b94..180646ab6f4823aa1969fdf50c1d1da68cc91dbe 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-30.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json
index bdb1ae1d5f9b9aa2a1a00377eb6438a4b33046bd..6d0ed151840f4dc59f11f356fd05fdef1d30f9bc 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-31.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-32.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-32.json
index 72c615ad8c8baf22203196c5a57f8845b5a87039..9cddaa6fda4d243c6bd3b1a87c03d92d0545be44 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-32.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-32.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-33.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-33.json
index 30af7b439baed610c794875f503736caa67b56e8..401ddbdd3e8db81e9be0235606a36bd77ac19ee3 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-33.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-33.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-34.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-34.json
index 559c02c78c3d68541d3075215ca38257fb553ea2..509227b5c7956bf012e3421f271d22da7d07991c 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-34.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-34.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-35.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-35.json
index aeeb3c7ca3387cfd77f19aea11ef12c9002dbabb..6128f99b4386b6afab6c87dc5b8fee981a12c39b 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-35.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-35.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-36.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-36.json
index aa24fd1ced51a78f9f4bc79ea8f999031f0093d4..a4fe18e1ff8cf0ff55b66df3da9ebacf61109d1a 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-36.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-36.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-37.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-37.json
index ce21a407cdf39c3a667ee29e14c39eaa7eb140a4..34671cd44b2bb5572094b86c0b5716befadc2cc8 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-37.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-37.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-38.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-38.json
index c3288cccd1498b0ff4aad522e78b37cf9958cf26..69aec33f1568475b071bbd36d99df723c14f71f1 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-38.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-38.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-39.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-39.json
index 39508e81fa931e3e9035d25eb7ebbc3434b34420..d729b019109c5053497306fa6968b94d2f521180 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-39.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-39.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json
index de9e30f7897cb12fbf957d3488578e9ab9f1e2df..cf3ba7842cded192f741c59c1f6e2feaac5c15b2 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-4.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-40.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-40.json
index 47363fc4ced76d7a5747561df8f0ef3335877b3c..5b92a54ba12f9d8a1c16cb73268a19da53604da8 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-40.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-40.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-41.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-41.json
index 7774561fd56e3372746b121c1b26217aee582b73..b742b7f0b9cc1c1544b5e70efb4c5b25c6a5c39a 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-41.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-41.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-42.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-42.json
index de2df162ef78f03001e2252651fc70fb5b2275e4..576992e2ca44e9985fce9bdae84ab854b7f0d359 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-42.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-42.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-43.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-43.json
index f8908cbcdf5bedcb6e70c4b80bc07cf7720a5bec..77cf4fec48edc92ed8449ef37ef303a7287cba7e 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-43.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-43.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-44.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-44.json
index 9083dc2147179f9e509a63368533fa0e507fb4bb..89aebadc78b58c2315524e3356295ed705ca4516 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-44.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-44.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-45.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-45.json
index 777ac097c8533ce85011c3cc3f2869d847f38fc7..ac0d59992edbcedb2cd69e3f67f0d5b91f8bd661 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-45.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-45.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-46.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-46.json
index 6511441899ea78871f47cc76da79db21807cf132..ce807fd68deee3f3f8adcaec3af30eb20deedcc8 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-46.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-46.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-47.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-47.json
index fdbca39e45d82556050d7990ba64b6ba2de5a401..a92186ad5c646819b0c37ed55cf9b6e56d0c60a0 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-47.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-47.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-48.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-48.json
index 1f9113c8ae199661aa0d995abc1b22367a83886a..65d79f29d924fcd90d19ad6b0857fd348014d0b7 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-48.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-48.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-49.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-49.json
index 6e6ba773730e7b855dc2baa93d3cad5d8b3abb5c..db12f9fe318a8b98e6c09aa881caaada75c3113b 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-49.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-49.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json
index 2249de88a151375e7b81b3f0dd0fca7cf6e4187a..79b3e5ea29b0b625ce1651e3e6d6d14064047993 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-5.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-50.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-50.json
index 5f929fbba768dc2c5bbacb57985c8e0005000374..1bd2c28473d39a83c529b8ab989c684f0d923bb1 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-50.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-50.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-51.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-51.json
index 6389f42411514b15bad7356526b654c3285e09c9..db84d2003e786834fd1a051e0a5611fe5421e314 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-51.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-51.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-52.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-52.json
index 03d8cb6677628394acded8b94a6cec9e059bcc43..0cd6f312d67c5f607c91b76574b81527ef344810 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-52.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-52.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-53.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-53.json
index c993b4552841d322153ad209eb74b1f49718910e..300a2cb56ed17a5fcaae0cb5b1f6653789c98b9a 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-53.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-53.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-54.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-54.json
index a3894756e9cb9f8d805dabd20e935e09ae707e2d..6afec6ee06626a9f2df1f5375ec5e59e932a5435 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-54.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-54.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-55.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-55.json
index b36cfe110bd440eb32ac20eecba23289c295ee31..066e5c8760aaacc0a7ed13d19f462a4550e5475f 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-55.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-55.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-56.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-56.json
index ef14f93bf31cdb5648fbb7592420fe795d586ef3..caae23f6e05ca4d762c9d106f8f90ed04788e495 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-56.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-56.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-57.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-57.json
index 405f1a4c4d36bd52d89ce32be7f78c02905de571..74c1bc99a6a4ae9d4e0f57e8186d12a4b976320c 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-57.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-57.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-58.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-58.json
index 2ea719d4f1942bac20781384d60dff43967e15d4..b75e32e910000865bc91e4eec30041b232c422dd 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-58.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-58.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-59.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-59.json
index 8f28cfda258f289405b4128508fb5b74de749f62..84a5bed3d764af5e720a979ba141774992cb0fb7 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-59.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-59.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json
index 2aea2174627aa5a8fd4fc67e9a0517c71f05af83..b7c6d296c3b22d864786c32d03ea4c6f3065c592 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-6.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-60.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-60.json
index f3f8a645ff10b53508df533e007b08242aa8750f..2b24e42224824565d56adb0e82cfdb260a8188a0 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-60.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-60.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-61.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-61.json
index 190f3e9cebf593446e61afa1c931bfe89684972d..1ef0a064772284bf344bc4f11970ed9bc39852ab 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-61.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-61.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-62.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-62.json
index af3804a3d92e7904290db289a9eec42f1561b662..1eedcd4854e790c432dcc0259f559ae4de078610 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-62.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-62.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-63.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-63.json
index 533196fa434848bdc58cfffe063a6e846187f0ab..6d79cc5c5342fbd7415b3a85ec7323beee2a0167 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-63.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-63.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-64.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-64.json
index 7153096ad22b5abcb1ec8406c70d4e49df551bb6..3f79b8bda68be9014e6b267a4e72a65a39fc8fba 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-64.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-64.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-65.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-65.json
index e41219e8f2aaec3b102b08459ec79c44a4860933..35d567f0ff2db0a47aa80af7aef03a8ad71e5dab 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-65.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-65.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-66.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-66.json
index 14bf5ba9d14814e7d46044da55b657c30a0855b8..be1d1fa76aa20699169cd497dd5ab213e7ec51d0 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-66.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-66.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-67.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-67.json
index 40c9ab0d8e57a72736b29752bf02e6450c668ede..ba6129c1f0f97dd07af399c795a9838c41551e12 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-67.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-67.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-68.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-68.json
index 566892d23a8bca5790806bd947821319432335db..f884bdc013b508340231e4dd7da5e61cb3de6923 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-68.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-68.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-69.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-69.json
index 9906f58c3d045725789050c47833046a7d30b2ba..f50717a4a1d37ddf7397f781cd020421698b3902 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-69.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-69.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json
index 930ab3a449432d6d9fd7bbd1416e1db4ace98734..e135d5e968bce012e1358600b96fba2c1c3294ed 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-7.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-70.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-70.json
index 99d483293f5a766800d15b711caec2da444fa30d..95e8ee045e257cbe24f37d253cd4240db3234b0e 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-70.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-70.json
@@ -8,6 +8,9 @@
     "ram_size": 17179869184,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-71.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-71.json
index 1f9ae8771c7f3349d34e7858b025689f07fcac3e..22fc711c49953720a40ac96ce26f2a8cff3acf92 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-71.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-71.json
@@ -8,6 +8,9 @@
     "ram_size": 17179869184,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-72.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-72.json
index 8776dda283d72de0dcff8d7a881103429622f1e5..613b60d1f5916b94330bab0473ced7023179dbb0 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-72.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-72.json
@@ -8,6 +8,9 @@
     "ram_size": 17179869184,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-73.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-73.json
index f27dcfd97651435ed54d4aae2cc0a7b2a5f35dbd..b8f10c4092c7f396f10ec2ade3e0e3341a1de756 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-73.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-73.json
@@ -8,6 +8,9 @@
     "ram_size": 17179869184,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-74.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-74.json
index 8a64bebf01e3010572def4e696535f89bc814fd0..c0116e229d38a09cf69a1db395dbe309a06bf516 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-74.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-74.json
@@ -8,6 +8,9 @@
     "ram_size": 17179869184,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-75.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-75.json
index 5b2aa445131156aafad15bbbecacd328ae63cfda..0ef62922b7f0433f1f1631bb0730be073d7cedaf 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-75.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-75.json
@@ -8,6 +8,9 @@
     "ram_size": 17179869184,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-76.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-76.json
index 6fdd37763f1f592075d72df4bd32e7539f0b2376..3821b34ed683f79cfcf5233c30f697a879a32dd1 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-76.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-76.json
@@ -8,6 +8,9 @@
     "ram_size": 17179869184,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-77.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-77.json
index d2e091045ee5ff18fec3076f95105300393d04a8..f8dee266a52ad61b2cb474a238ef88755b186b2a 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-77.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-77.json
@@ -8,6 +8,9 @@
     "ram_size": 17179869184,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-78.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-78.json
index 48aa2cb47f7bf706c4a4ebdbb814d66ec6a1d6cc..8a75b573b8a947ba07698d05a43a3012e4e69d33 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-78.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-78.json
@@ -8,6 +8,9 @@
     "ram_size": 17179869184,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-79.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-79.json
index b549fd5fe560ffa35a607ce3715cbae084d47b2e..00a195845cb882eaf1740eb7d0e987ab33bd8f33 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-79.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-79.json
@@ -8,6 +8,9 @@
     "ram_size": 17179869184,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-8.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-8.json
index d13bbb46352e759953e18a0283e92c183526c05a..fe6b1c4eedf42f6978d99f16a84122e4cf31cd80 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-8.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-8.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",
diff --git a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-9.json b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-9.json
index cf01f5cfcd50580aef9356c44f496fa9d02d4d42..b9e2702e99caa4fead9cdefa011493edc651bc00 100755
--- a/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-9.json
+++ b/data/grid5000/sites/lyon/clusters/sagittaire/nodes/sagittaire-9.json
@@ -8,6 +8,9 @@
     "ram_size": 2147483648,
     "virtual_size": null
   },
+  "monitoring": {
+    "wattmeter": true
+  },
   "network_adapters": [
     {
       "driver": "tg3",