Data History
PriceOfElectricity.com maintains versioned snapshots of electricity rate data. Each snapshot captures state-level average residential rates at a point in time. The current version is v20260415 (released 2026-04-15).
Available snapshots
| Version | Released | States | |
|---|---|---|---|
| v1 | 2026-03-15 | 51 | View |
| v2 | 2026-04-15 | 51 | View |
| v20260415current | 2026-04-15 | 51 | View |
Compare versions
See how rates changed between snapshots.