- Combustion
- Wind & solar
- Bioenergy
- Loads
- In development
- Under construction
- Retired
- Stage not stated
- Size not stated
- 10 · 100 · 1,000 MW
Map
- Combustion
- Wind & solar
- Bioenergy
- Loads
- In development
- Under construction
- Retired
- Stage not stated
- Size not stated
Honolulu: location and 9 exact-grade projects within 15 mi. Basemap: Protomaps, © OpenStreetMap contributors, ODbL.
Honolulu
Power plant · Oil
Key facts
Power plant · Oilran 6% of 2013 Retired- Capacity
- Capacity: sourceEIA-860M · Open licenseMW
- Commissioned
- 1954
- Net generation, 2013
- 52,017 MWh
- Grid
- 46 kV to Hawaiian Electric Co Inc
- Location
- Honolulu County, Hawaii
- Operated by
- Hawaiian Electric Co Inc
Output
- Oil
Details
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- Technology
- Oil source: “Petroleum Liquids”
- Age
- 72 years since 1954
1 attribute from EIA-860M Preliminary Monthly Electric Generator Inventory
| Attribute | Value |
|---|---|
| EPA greenhouse gas reporting (GHGRP) |
|
Retirement
EIA-860M September 2026StatusEvery generator EIA lists at this plant has retired. As of EIA-860M for September 2026.- Retired
- January 2014
- Capacity retired
- 104.4 MW
- Generators retired
- 2
| Generator | Technology | Nameplate | State | Date |
|---|---|---|---|---|
| H8 | Petroleum Liquids | 50 MW | Retired | January 2014 |
| H9 | Petroleum Liquids | 54.4 MW | Retired | January 2014 |
Grid
EIA-860 2025Grid fieldsAs the plant reported them to EIA-860 for 2025 (Schedule 2).- Grid voltage at the plant
- 46 kV
- Transmission or distribution system owner
- Hawaiian Electric Co Inc
Transmission lines within 15 mi (10)
Can the connection be reused?
A plant that retires usually leaves its substation, transmission connection and interconnection agreement behind, and those may be reusable by a new project at the same site. FERC Order No. 845 lets an interconnection customer use surplus interconnection service at an existing site, and some transmission providers' tariffs let a replacement resource take over a retiring unit's interconnection service, usually within a set time after the retirement. Whether any such right still exists here, who holds it and on what terms depends on the owner, the transmission provider and timing; this page does not establish any of that.
Ownership
2 companies2| Company | Role | Share | As of | Source |
|---|---|---|---|---|
| Hawaiian Electric Co Inc | Operator | EIA-860M | ||
| HAWAIIAN ELECTRIC INDUSTRIES INC | Owner | 100.0% | Dec 31, 2023 | EPA GHGRP |
Timeline
- Stated Units H8, H9 scheduled to retire, 104.4 MW · EIA-860M
- In service · EIA-860M
Sources
5 sourcesSources EIA-860M · LBNL · EIA · EIA-860M Preliminary Monthly Electric Generator Inventory · EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Sources
- EIA-860M
- LBNLYin, Nait Belaid & Heleno (2026), Lawrence Berkeley National Laboratory, OEDI, CC BY 4.0: A Harmonized Geospatial Dataset of U.S. Transmission Lines: Linking FERC Form 1 and HIFLD, 1994-2024. Modified by Inframation: HIFLD-side fields only, names re-cased, coordinates rounded.
- EIASource: U.S. Energy Information Administration, Electricity bulk data (Form EIA-923 monthly plant series)
- EIA-860M Preliminary Monthly Electric Generator Inventory
- EPA Greenhouse Gas Reporting Program — facility register with parent-company shares (Envirofacts pub_dim_facility; FLIGHT)
Around this plant
Nearby
within 15 mi| Project | Kind | Away | MW |
|---|---|---|---|
| Puuloa Solar Announced | Solar + storage | 4.2 mi | 12.4 |
| Puuloa Energy Announced | Biomass | 5.3 mi | 103.4 |
| LILIUOKALANI ELEMENTARY SCHOOL - RELOCATION OF VARIOUS DOE PROGRAMS (DATA CENTER Unknown | Large load | 5.6 mi | |
| AES Waiawa Phase 2 Solar Under construction | Solar + storage | 10.5 mi | 60 |
| Barbers Point Solar, LLC Postponed | Solar + storage | 10.6 mi | 30 |
| EKS Solar Farm Postponed | Solar | 12.4 mi | 5 |
| Kupehau Postponed | Solar + storage | 12.8 mi | 120 |
| Kalaeloa Solar One Postponed | Solar | 13.0 mi | 6 |
| Kalaeloa Home Lands Solar Under construction | Solar | 13.2 mi | 1.7 |
Sources EIA-860M · EPA ICIS-NPDES