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Maalaea — Power plant · Oil · Maui Electric Co LtdKuihelani Phase 2 — Filed · Solar · HI · 40 MW · 0.4 mi awayPaeahu Solar Hybrid — Postponed · Solar + storage · HI · 30 MW · 9.4 mi awayKahana Solar, LLC — Postponed · Solar + storage · HI · 40 MW · 14.8 mi away
  • Combustion
  • Wind & solar
  • In development
  • Operating
  • 10 · 100 · 1,000 MW

Maalaea

Power plant · Oil

Key facts

Power plant · Oilran 31% of 2025 Operating
Capacity
Capacity: sourceEIA-860M · Open licenseMW
Commissioned
1971
Net generation, 2025
623,047 MWh
Grid
69 kV to Maui Electric Co Ltd
Location
Maui County, Hawaii

Output

Net generation MWh by year, 2001 to 2026
Fuel burned MMBtu by year, 2001 to 2026
  • Oil

Operations detail

Details

Who’s behind it

Owner
Hawaiian Electric Industries Inc

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Technology
Oil source: “Petroleum Liquids”
Age
55 years since 1971
Unused energy
1,390 GWh 2025Unused energyA lead, not a guarantee: MW × hours × (1 − capacity factor) for the latest year (EIA-923), gas, coal and oil plants only. Air-permit run-hour caps, heat rate (cost to run) and capacity-market or reliability obligations can rule it out.
Heat rate
9,424 Btu/kWh 2025
All 7 attributes from EIA-860M Preliminary Monthly Electric Generator Inventory
AttributeValue
Grid
Report year
2025
Grid voltage kv
69
Transmission owner
Maui Electric Co Ltd
EPA greenhouse gas reporting (GHGRP)
EPA FRS ID
110010385528
Subparts reported
C
NAICS code
221112
Subpart PP (CO2 supply)
No
Subpart RR (geologic sequestration)
No
Subpart UU (CO2 injection)
No
Reporting year
2023
GHGRP facility ID
1001438
Eia status
By code
OA
Mw
12.50
Units
1
OP
Mw
217.3
Units
20
Standby mw
0
Status rule
some_units_idle
In service mw
229.8
Out of service mw
12.50
Fuel burned (MMBtu), 20255,871,818
Capacity factor, 20250.309
Heat rate (Btu/kWh), 20259,424.4
Net generation (MWh), 2025623,047

Ownership

2 companies2
CompanyRoleShareAs ofSource
Maui Electric Co Ltd Operator EIA-860M
HAWAIIAN ELECTRIC INDUSTRIES INC Owner 100.0% Dec 31, 2023 EPA GHGRP

Timeline

  • In service · EIA-860M

Around this plant

Nearby

within 15 mi
ProjectKindAwayMW
Kuihelani Phase 2 Filed Solar 0.4 mi 40
Paeahu Solar Hybrid Postponed Solar + storage 9.4 mi 30
Kahana Solar, LLC Postponed Solar + storage 14.8 mi 40

Sources EIA-860M

Sources

  • EIA-860MOpen license · retrieved Nov 4, 2026

Attribution