3.1 MW Hydro operating in Hawaii, HI
3.1 MW
Nameplate Capacity
2
Generators
units
Conventional Hydroelectric
Technology
1918
Operating Since
Coordinates
19.7264, -155.0908
County
Hawaii, HI
Nearby Plants
| 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 | — | — |
Puueo is a hydroelectric power plant located in Hawaii County, Hawaii. The plant has a total capacity of 3.1 MW across two generators and is owned by Hawaiian Electric Industries. Hawaii Electric Light Co Inc. operates the facility, which began commercial operation in 1918. Puueo utilizes conventional hydroelectric technology and its primary fuel source is water (WAT).
In the most recent year with available data, Puueo generated 1,041 MWh of electricity, resulting in a capacity factor of 3.8%. The plant is ranked as the 4th largest hydroelectric facility out of 7 in the state of Hawaii, and 1059th out of 1464 nationally. Recent news coverage related to the plant includes one article categorized under hazards.
Generated from EIA, GEM, and public data sources
NERC Region
—
Balancing Authority
—
Grid Voltage
13.8 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
0 MWh
Latest Month
1.0K MWh
Annual Generation
3.8%
Capacity Factor
No financial data available for this plant.
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
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
Last updated 2026-03-21
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