Electricity Generation Aggregated by Hawaii County
| State Rank | County | Net Generation (Past Year) | Power Plants |
|---|---|---|---|
| #1 | Honolulu County, HI | 6.5 TWh | 48 |
| #2 | Hawaii County, HI | 1.1 TWh | 20 |
| #3 | Maui County, HI | 1.1 TWh | 19 |
| #4 | Kauai County, HI | 480.0 GWh | 14 |
Net Generation data is based on the last 12 months since Sep 2025
Top 20 Hawaii Counties by Net Generation
Totals are based on the most recent 12 months net generation- Honolulu County, HI6.54 TWh
- Hawaii County, HI1.13 TWh
- Maui County, HI1.13 TWh
- Kauai County, HI479.97 GWh