← All glossary terms

Utility Rates, Grid, and Markets

Transmission

Transmission is the high-voltage movement of bulk power across longer distances from generation or interchange points toward load centers. Transmission constraints are often the limiting factor for large-load data center growth.

Explore more terms

Cabinet

Cabinet is an enclosed or semi-enclosed rack used to house IT equipment. Cabinets can support security, airflow control, cabling, and colocation separation, but high-density deployments may require specialized cabinet and cooling designs.

Read definition →

EIS

Environmental Impact Statement is a detailed NEPA review for actions expected to significantly affect the human environment. An EIS can materially affect project timeline, alternatives analysis, public process, and mitigation commitments.

Read definition →

RPP

Remote Power Panel distributes branch circuits closer to IT racks or rows, often downstream of a PDU. RPPs can simplify circuit distribution in white space but must be coordinated with redundancy, metering, breaker coordination, and future rack-density changes.

Read definition →