SolarOperating

Port Allen Solar

Solar power plant in Kauai County, Hawaii. 6 MW of nameplate capacity across 1 generator, operated by Ka Ie Ie Waho Company, LLC.

Also known as EIA plant 58549

Analyst: free account, 1 question a day.

Gay RobinsonKalaheo HydroBiomass to Energy Facility, KauaiPort Allen Solar5 km
Open in the map
6 plants within 14 km, from EIA coordinates.

Key facts

Capacity
6 MWNameplate
Generators
1 operatingEIA-860M, August 2026
Operating since
December 2012First generator online
Operator
Ka Ie Ie Waho Company, LLCEIA operator ID 67902
Grid
Not reported
Price nodes
None linkedNo verified ISO node
Location
Kauai County, HI21.9019, −159.5817
EIA plant ID
58549EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Port Allen Solar produces

Free · EIA-923

Net generation, 2025

Not reported

Not reported MWh, final. 0 of 12 months reported

Capacity factor, 2025

Not reported

2024: 16.1%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2024

1.1–12.3

GWh a year. Low 2015, high 2021

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000Not reportedNot reported0 of 12
2001Not reportedNot reported0 of 12
2002Not reportedNot reported0 of 12
2003Not reportedNot reported0 of 12
2004Not reportedNot reported0 of 12
2005Not reportedNot reported0 of 12
2006Not reportedNot reported0 of 12
2007Not reportedNot reported0 of 12
2008Not reportedNot reported0 of 12
2009Not reportedNot reported0 of 12
2010Not reportedNot reported0 of 12
2011Not reportedNot reported0 of 12
2012Not reportedNot reported0 of 12
20131,0111.9%12 of 12
20141,1102.1%12 of 12
20151,1252.1%12 of 12
201610,69220.3%12 of 12
201711,05521.0%12 of 12
201811,69622.3%12 of 12
201911,12121.2%12 of 12
20209,20017.5%12 of 12
202112,33823.5%12 of 12
202211,33421.6%12 of 12
20239,98719.0%12 of 12
20248,48516.1%12 of 12
2025Not reportedNot reported0 of 12
2026 (provisional, partial year)Not reportedNot reported0 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account

No verified ISO price node is linked to this plant, or its price history could not load.

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024. Plants without steam cooling, such as wind, solar and batteries, do not report cooling water.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
1Solar Photovoltaic6.0December 2012

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Ka Ie Ie Waho Company, LLC as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

Modeled curtailment

A range, not one number. The lower bound counts hours inside the production tax credit window; the upper bound is the no-credit case.

Modeled

Expected vs reported generation

Monthly modeled expected output and physical potential next to EIA-923 reported output.

Analyst and MCP

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Power plants near Port Allen Solar

Questions about Port Allen Solar

Where is Port Allen Solar?

Port Allen Solar is in Kauai County, Hawaii, at 21.9019, −159.5817.

Who operates Port Allen Solar?

EIA-860M for August 2026 lists Ka Ie Ie Waho Company, LLC as the operator (EIA operator ID 67902). The operator is not always the owner.

When did Port Allen Solar start operating?

Its first generator began operating in December 2012, according to EIA-860M.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page