Kupehau is a battery storage power plant in Hawaii.
| Plant Name | Kupehau |
|---|---|
| Operator | 174 Power Global Corp. |
| City | Honolulu |
| County | Honolulu County |
| State | Hawaii |
| ZIP | 96797 |
| Coordinates | 21.42642, -158.03381 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| KUP01 | Solar Photovoltaic | Solar | 60.0 MW | Cancelled | — |
| KUPB1 | Batteries | Battery | 60.0 MW | Cancelled | — |
| Balancing Authority | Hawaiian Electric Co Inc |
|---|
Battery storage facilities don't generate electricity — they store it. They charge from the grid (often from solar during the day) and discharge during peak demand or to firm up renewables. EIA classifies them as power plants because they connect to the grid like one.