9th largest plant in Hawaii · 2471st nationally
H Power is a biomass power plant in Hawaii with a nameplate capacity of 100 MW. It generates roughly 327.9k MWh per year — enough to power about 31,223 average U.S. homes.
Its capacity factor of 37% reflects intermittent or peaking operation. At 2220 lb CO₂/MWh, its emission rate sits above the national grid average of roughly 800 lb/MWh.
Ghost bars are each month's theoretical maximum (100 MW nameplate × hours in the month). Filled bars are actual net generation reported to EIA Form 923. The gap between them is capacity factor made visible.
| Plant Name | H Power |
|---|---|
| Operator | Covanta Honolulu Resource Recovery |
| City | Kapolei |
| County | Honolulu County |
| State | Hawaii |
| ZIP | 96707 |
| Coordinates | 21.30004, -158.09861 |
This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.
| ID | Technology | Fuel | Capacity | Status | Online |
|---|---|---|---|---|---|
| GEN1 | Municipal Solid Waste | Municipal Waste | 63.7 MW | Operating | 1989 |
| GEN2 | Municipal Solid Waste | Municipal Waste | 33.6 MW | Operating | 2013 |
| PV1 | Solar Photovoltaic | Solar | 2.9 MW | Operating | 2020 |
| Owner | Location | Share |
|---|---|---|
| City And County Of Honolulu | Kapolei, HI | 10000.0% |
Ownership reported to EIA Form 860. Percentages reflect reported generator-level ownership share, averaged when a plant has multiple generators.
| CO₂ | 363.8k metric tons |
|---|---|
| SO₂ | 522 metric tons |
| NOₓ | 611 metric tons |
| CO₂ Rate | 2220 lb/MWh |
Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.
Biomass plants burn wood, agricultural waste, or methane from landfills to generate steam and electricity. They are considered carbon-neutral over long timescales when fuel is sustainably sourced, but they produce particulate emissions similar to coal.