West Loch Solar One
Iroquois Road, Ewa Beach, HI 96706Plant Summary Information
West Loch Solar One is ranked #32 out of 67 power plants in Hawaii in terms of total annual net electricity generation.
West Loch Solar One generated 9.1 GWh during the 3-month period between September 2025 to December 2025.
| Plant Name | West Loch Solar One |
|---|---|
| Utility Name | Hawaiian Electric Co Inc |
| Location | Honolulu County, HI |
| Initial Operation Date | November 2019 |
| Last Update | Dec 2025 |
| Annual Generation | 39.9 GWh |
| Annual Consumption | 145.0 k MMBtu |
| Ranked #4,477 out of 13,081 Power Plants Nationwide | |
| Ranked #1,223 out of 7,015 Solar Power Plants Nationwide | |
| Ranked #32 out of 67 Hawaii Power Plants | |
| Ranked #10 out of 31 Hawaii Solar Power Plants | |
| Fuel Types | Solar |
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Monthly Net Generation for West Loch Solar One
Monthly Plant Fuel Consumption for West Loch Solar One
West Loch Solar One Details
| Summary Information | |
|---|---|
| Plant Name | West Loch Solar One (61987) |
| Plant Address | Iroquois Road, Ewa Beach, HI 96706 |
| Utility | Hawaiian Electric Co Inc (19547) |
| Latitude, Longitude | 21.34034, -158.01508 |
| Generation Dates on File | Nov 2019 to Dec 2025 |
| Initial Operation Date | November 2019 |
| Annual Generation | 39.9 GWh |
| Fuel Types | Solar |
| Federal Energy Regulatory Commission (FERC) Information | |
| FERC Cogeneration Status | No |
| FERC Small Power Producer Status | No |
| FERC Exempt Wholesale Generator Status | No |
| Regulatory Information | |
|---|---|
| Regulatory Status | Regulated |
| NERC Region | |
| Balancing Authority | Hawaiian Electric Co Inc (HECO) |
| NAICS Code | Utilities (22) |
| Sector | Electric Utility (1) |
| Water Source | |
| Ash Impoundment | |
| Transmission / Distribution Owner | Hawaiian Electric Co Inc (19547) HI |
| Grid Voltage | 46.00 kV |
| Energy Storage | No |
Generator WLS1 Details Operating November 2019
| Technology | Solar Photovoltaic |
|---|---|
| Prime Mover | Photovoltaic |
| Ownership | Single Owner |
| Nameplate Capacity | 20 MW |
| Summer Capacity | 20 MW |
| Winter Capacity | 20 MW |
| Uprate/Derate Completed | No |
|---|---|
| Status | Operating |
| First Operation Date | November 2019 |
| Combined Heat & Power | No |
| Sector Name | Electric Utility (1) |
| Energy Source | Solar |
| Solar Details | |
| Lenses Mirrors | No |
|---|---|
| Fixed Tilt | Yes |
| Azimuth Angle | 180 |
| Tilt Angle | 15 |
| DC Net Capacity | 28 MW |
| Crystalline Silicon | Yes |
| Net Metering Agreement | No |
| Virtual Net Metering Agreement | No |
West Loch Solar One Plant Owners
| Owner Name | Address | Ownership | We couldn't locate any owners for this plant |
|---|
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Power plants with a similar annual net generation from Solar.
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|---|---|---|---|
| #1213 | RE Adams East, LLC | Fresno, CA | 40.7 GWh |
| #1214 | Searchlight Solar | Searchlight, NV | 40.7 GWh |
| #1215 | Bayshore Solar C, LLC | Lancaster, CA | 40.6 GWh |
| #1216 | Energix Buckingham, LLC | Cumberland, VA | 40.5 GWh |
| #1217 | Algonquin SKIC20 Solar LLC | Taft, CA | 40.5 GWh |
| #1218 | Midway Solar Farm III | Calipatria, CA | 40.4 GWh |
| #1219 | Kelford (Duke) | Lewiston Woodville, NC | 40.3 GWh |
| #1220 | Antelope Expansion 3A | Lancaster, CA | 40.2 GWh |
| #1221 | Hampton Solar 2 | Hampton, SC | 40.2 GWh |
| #1222 | Pleasant Hill PV1 | Pleasant Hill, NC | 39.9 GWh |
| #1224 | Renegade Solar Energy LLC | Rock, MI | 39.7 GWh |
| #1225 | Essex Solar Center | Dunnsville, VA | 39.7 GWh |
| #1226 | Speedway Solar NC, LLC | Midland, NC | 39.6 GWh |
| #1227 | Ruff Solar LLC | Ellenboro, NC | 39.5 GWh |
| #1228 | Vandenberg Solar Project | Vandenberg Airforce B, CA | 39.5 GWh |
| #1229 | DD Fayetteville Solar NC LLC | Fayetteville, NC | 39.4 GWh |
| #1230 | AES Lawai Solar Hybrid | Lawai, HI | 38.6 GWh |
| #1231 | Sussex Drive, LLC | Stoney Creek, VA | 39.2 GWh |
| #1232 | Westlands Solar PV Farm | Huron, CA | 39.1 GWh |
| #1233 | Blackwell Solar Park | Lost Hills, CA | 39.0 GWh |
Nearby Power Plants
Below are closest 20 power plants surrounding West Loch Solar One.
| Plant Name | Plant Location | Annual Generation | Distance |
|---|---|---|---|
| AES West Oahu Solar Hybrid | Waipahu, HI | 19.6 GWh | 3.7 mi |
| Campbell Industrial Park | Kapolei, HI | 149.0 GWh | 6.2 mi |
| H Power | Kapolei, HI | 270.4 GWh | 6.1 mi |
| HNL Emergency Power Facility | Honolulu, HI | 2.6 GWh | 6.2 mi |
| Ho'Ohana Solar 1 | Waipahu, HI | 61.4 GWh | 5.5 mi |
| Kahe | Kapolei, HI | 2.9 TWh | 7.4 mi |
| Kalaeloa Cogen Plant | Kapolei, HI | 1.4 TWh | 5.9 mi |
| Kalaeloa Renewable Energy Park | Ewa Beach, HI | 4.3 GWh | 1.8 mi |
| Kalaeloa Solar Two | Honolulu, HI | 7.9 GWh | 4.8 mi |
| Kapolei Solar Energy Park | Kapolei, HI | 1.3 GWh | 6.7 mi |
| Lanikuhana Solar LLC | Mililani, HI | 29.1 GWh | 6.1 mi |
| Mililani South Solar Farm | Mililani, HI | 59.2 GWh | 6.1 mi |
| Pearl City Peninsula Solar Park | Honolulu, HI | 3.8 GWh | 3.9 mi |
| Tesoro Hawaii | Kapolei, HI | 154.1 GWh | 5.5 mi |
| Waiau | Pearl City, HI | 1.0 TWh | 4.8 mi |
| Waiawa Solar Power Hybrid | Waipahu, HI | 52.9 GWh | 6.2 mi |
| Waihonu North Solar | Mililani, HI | 7.5 GWh | 9 mi |
| Waihonu South Solar | Mililani, HI | 2.5 GWh | 8.9 mi |
| Waipio Peninsula | Waipio, HI | 16.1 GWh | 2.5 mi |
| Waipio Solar | Waipio, HI | 90.4 GWh | 8.3 mi |