Puna — Plant Summary
- EIA Plant ID
- 7130
- Capacity
- 39.1 MW
- Primary Fuel
- Oil
- Technology
- Petroleum Liquids
- Status
- Operating
- Location
- Hawaii, HI
- Operating Since
- 1988
- Generators
- 2
- Operator
- Hawaii Electric Light Co Inc
- Parent Company
- Hawaiian Electric Industries
- Annual Generation
- 105,943.01 MWh
- Capacity Factor
- 30.8%
- Balancing Authority
- —
- ISO/RTO
- —
- NERC Region
- —
Puna
OperatingDistillate OilResidual Oil
Ranked #5 of 12 Distillate Oil plants in HI#92 of 827 nationally
39.1 MW Distillate Oil operating in Hawaii, HI
EIAWD
39.1 MW
Nameplate Capacity
2
Generators
units
Petroleum Liquids
Technology
1988
Operating Since
Location
Coordinates
19.6316, -155.0313
County
Hawaii, HI
Nearby Plants
- Mauna Loa Macadamia NutBESS1.3 MW · 3.7 km
- W H HillResidual Oil37.1 MW · 8.6 km
- KanoelehuaDistillate Oil21 MW · 8.8 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Hawaii Electric Light Co Inc | Hawaii Electric Light | — |
| Owner(s) | Hawaii Electric Light Co Inc | Hawaiian Electric Industries | — |
| Status | Operating | — | — |
Ownership Chain
About
The Puna power plant is located in Hawaii County, Hawaii. It has a total capacity of 39.1 MW and is primarily fueled by distillate fuel oil (DFO). The plant began operating in 1988 and consists of two generators utilizing petroleum liquid technology. Hawaii Electric Light Co Inc, a subsidiary of Hawaiian Electric Industries, operates the facility.
In the most recent year with available data, the Puna plant generated 105,943 MWh of electricity, achieving a capacity factor of 30.8%. The plant ranks 5th out of 14 power plants in the state of Hawaii by capacity, and 122nd out of 886 nationally. Recent news coverage of the plant includes topics such as hazards, industry trends, regulatory matters, and grid-related issues.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
—
Balancing Authority
—
Grid Voltage
13.8 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
11.7K MWh
Latest Month
105.9K MWh
Annual Generation
30.8%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (10)Beta
Hazards·flooding
Flood Watch: Waianae Coast; Oahu North Shore; Olomana; Central Oahu; Waianae Mountains; Lanai Mauka; Kahoolawe; M
Flood Watch issued March 21 at 3:53AM HST until March 22 at 6:00PM HST by NWS Honolulu HI
Flood Watch (hazard)
NWS Honolulu HI·5 days ago
Hazards·wildfire
With Kilauea spewing lava 300 meters high, Hawaii is racing to explore the hidden heat beneath the volcano, reactivate geothermal energy, and convert clean power plants to power AI data centers for electricity.
The heat from the Earth's depths has returned to the center of debate in Hawaii. While Kilauea exhibits eruptive episodes that launch lava...
Kilauea (other)
CPG Click Petróleo e Gás·3 months ago
Industry·corporate
Community Voices: Geothermal energy — solution or sacrilege?
The subject of geothermal energy has long divided the Native Hawaiian community. Proponents cite energy sovereignty and decreased reliance...
Aloha State Daily·6 months ago
Industry·corporate
Hawaiʻi’s High-Priced Geothermal Consultants Are Getting Heat
Hawaiʻi wanted to educate Big Island residents about geothermal energy. So far, the plan seems to be backfiring.
Honolulu Civil Beat·7 months ago
Last updated 2026-03-21
View all 10 articles