Hawaii has 31 solar farms in the EIA Form 860 database, with a combined installed capacity of 463 MW. Of those, 1 plants are utility-scale (50 MW or larger). The largest single facility is AES Maui Kuihelani Solar Hybrid in Waikapu, Maui County — a 60 MW plant operated by AES Distributed Energy.
Use the interactive Hawaii solar farms map below to explore every plant, color-coded by technology type and sized by capacity. Click any solar farm for its name, operator, capacity (MW), technology, and location — or view the full US solar farms interactive map to compare Hawaii to every other state.
Type
Capacity
Hawaii Solar Farms by the Numbers
- 31 total solar farms in Hawaii (EIA Form 860 (US Energy Information Administration), latest reporting period)
- 463 MW total installed solar capacity
- 225 MW co-located battery storage capacity
- 1 utility-scale plants (50 MW or larger)
- 10 small / community-scale plants (under 5 MW)
Hawaii Solar Farms by Technology Type
- 21 Solar Photovoltaic (PV) — standard panel installations, the dominant technology nationwide
- 10 Solar PV with Battery Storage — newer hybrid plants that pair panels with on-site batteries to store excess generation
The 15 Largest Solar Farms in Hawaii
The largest solar farm in Hawaii by installed capacity is AES Maui Kuihelani Solar Hybrid at 60 MW. The 15 largest Hawaii solar farms from the latest EIA filing:
| # | Solar Farm | Operator | Capacity | Location |
|---|---|---|---|---|
| 1 | AES Maui Kuihelani Solar Hybrid | AES Distributed Energy | 60 MW + 60 MW battery | Waikapu, Maui |
| 2 | Kawailoa Solar | Kawailoa Solar, LLC | 49 MW | Haleiwa, Honolulu |
| 3 | Waipio Solar | Waipio PV, LLC | 46 MW | Waipio, Honolulu |
| 4 | Mililani South Solar Farm | Mililani I Solar LLC | 39 MW + 39 MW battery | Mililani, Honolulu |
| 5 | Waiawa Solar Power Hybrid | Waiawa Solar Power LLC | 36 MW + 36 MW battery | Waipahu, Honolulu |
| 6 | AES Waikoloa Solar Hybrid | AES Distributed Energy | 30 MW + 30 MW battery | Waikoloa Village, Hawaii |
| 7 | EE Waianae Solar Project | EE Waianae Solar Project LLC | 28 MW | Waianae, Honolulu |
| 8 | AES Lawai Solar Hybrid | AES Distributed Energy | 20 MW + 20 MW battery | Lawai, Kauai |
| 9 | West Loch Solar One | Hawaiian Electric Co Inc | 20 MW | Ewa Beach, Honolulu |
| 10 | KIUC Kapaia PV and BA Storage Project Hy | Tesla Inc. | 15 MW + 11 MW battery | Lihue, Kauai |
| 11 | Lanikuhana Solar LLC | Lanikuhana Solar LLC | 15 MW | Mililani, Honolulu |
| 12 | AES Kekaha Solar, LLC Hybrid | AES Distributed Energy | 14 MW + 14 MW battery | Kekaha, Kauai |
| 13 | AES West Oahu Solar Hybrid | AES Distributed Energy | 12 MW + 12 MW battery | Waipahu, Honolulu |
| 14 | KRS II Koloa Solar | Kauai Island Utility Cooperative | 12 MW | Koloa, Kauai |
| 15 | KRS I Anahola Solar Hybrid | Kauai Island Utility Cooperative | 12 MW | Anahola, Kauai |
Top Solar Operators in Hawaii
Five operators account for the largest share of solar generation in Hawaii:
- AES Distributed Energy — 5 plants, 136 MW total
- Kawailoa Solar, LLC — 1 plant, 49 MW total
- Waipio PV, LLC — 1 plant, 46 MW total
- Mililani I Solar LLC — 1 plant, 39 MW total
- Waiawa Solar Power LLC — 1 plant, 36 MW total
Solar Permitting and Regulation in Hawaii
Utility-scale solar in Hawaii is overseen by the Hawaii Public Utilities Commission. Wholesale market participation and interconnection are regulated by the Federal Energy Regulatory Commission (FERC) and the relevant ISO/RTO. All generators above 1 MW must report capacity, fuel type, and location to the EIA via Form 860 — the dataset used in this map.
Frequently Asked Questions
How many solar farms are in Hawaii?
Hawaii has 31 solar farms in the latest EIA Form 860 filing — a combined 463 MW of installed capacity. Of those, 1 are utility-scale (50 MW or larger).
What is the largest solar farm in Hawaii?
The largest solar farm in Hawaii is AES Maui Kuihelani Solar Hybrid, located in Waikapu (Maui County), with 60 MW of installed capacity. It is operated by AES Distributed Energy.
How much solar capacity does Hawaii have?
Hawaii has 463 MW of installed solar capacity across 31 plants reporting to the EIA. This counts only the solar portion (Solar_MW field) — co-located batteries and other generation are reported separately.
Who regulates solar farms in Hawaii?
Solar farms in Hawaii are regulated by the Hawaii Public Utilities Commission at the state level, with federal oversight from FERC. The EIA collects annual data on every utility-scale solar plant via Form 860.
View all 6,406 US solar farms on the national interactive map

