Datacenter Efficiency Metrics: Power Density Parameter
Colocation Peak Power Per Cabinet to Large DC Power Density Pod
Data center efficiency metrics and benchmarks from Green Grid and Schneider Electric whitepapers. Covers PUE measurement levels (L1/L2/L3), source energy weighting factors (global and US), PUE reporting classifications (Unrecognized/Reported/Registered), NCPI component loss percentages (UPS, PDU, CRAC, chiller, wiring), energy reduction strategy savings ranges, power density parameters by data center type (small enterprise, large enterprise, colocation, cloud, HPC), heat output conversion factors and formulas, and DLC (direct liquid cooling) industry documentation references.
| metric category | item name | description | unit | value numeric (varies by item) |
|---|---|---|---|---|
| Power Density Parameter | Colocation Peak Power Per Cabinet | Peak power per cabinet (highest-power cabinet) for colocation | kW | 12 |
| Power Density Parameter | Colocation Power Uncertainty | Unit power uncertainty for colocation | percent | 50 |
| Power Density Parameter | HPC Ancillary Space | Space reserved for ancillary systems in HPC | percent of room | 5 |
| Power Density Parameter | HPC Avg Power Per Cabinet | Design target average power per cabinet for HPC | kW | 16 |
| Power Density Parameter | HPC Managed Power Ratio | Managed power ratio for HPC | percent | 90 |
| Power Density Parameter | HPC Peak Power Per Cabinet | Peak power per cabinet (highest-power cabinet) for HPC | kW | 25 |
| Power Density Parameter | HPC Power Uncertainty | Unit power uncertainty for HPC | percent | 50 |
| Power Density Parameter | Large DC Power Density Facility | Power density at facility level for large 2 MW data center example | W/sqft | 79 |
| Power Density Parameter | Large DC Power Density Pod | Power density at pod level for large 2 MW data center example | W/sqft | 179 |
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