The open registry of U.S. energy infrastructure
Structured, normalized, and spatially-aware data on utilities, grid operators, territories, programs, and rates — free to browse, download, and build on.
Choose where to start
Six entity types, one connected graph. Pick any entry point — they all link back into each other.
Interactive territory map. Click any region to see the utility operating there, its service boundary, and relationships.
All ~3,000 U.S. electric utilities — IOUs, co-ops, municipals, and federal power agencies. Filter by state, segment, and ISO.
ISOs, RTOs, and balancing authorities — the entities that coordinate dispatch, markets, and reliability across regions.
Demand response, rebates, EV programs, VPP programs — structured and queryable by asset type, segment, and state.
Residential and commercial rate structures filed by utilities. TOU windows, demand charges, and standby rates.
Solar, wind, nuclear, natural gas, and more — EIA Form 860 data normalized and connected to utilities and territories.
High-voltage transmission infrastructure (69kV–765kV) across the U.S. — HIFLD dataset, spatially queryable.
85,000+ EV charging stations across the U.S. from the DOE AFDC — ChargePoint, Tesla, Electrify America, and more.
Wholesale electricity market nodes — trading hubs, load zones, SUBLAPs, and generation pricing points across 7 ISOs/RTOs.
What's been updated
Every update is versioned, attributed, and synced from authoritative sources.
Help improve grid data
CommonGrid is community-driven. Suggest edits, cite sources, and make U.S. energy data more accurate for everyone.
Found an inaccuracy? Click 'Suggest Edit' on any entity page to propose corrections with source citations.
Every edit is reviewed by moderators. Trusted contributors can get auto-approved for non-critical fields.
Every change is versioned. See who changed what and when — complete audit trail for every entity.
Build with CommonGrid data
Free REST API with 60 requests/hour. Register for 5,000/hr. RESTful endpoints, JSON responses, and comprehensive filtering.