KIUC Kapaia PV and BA Storage Project Hy — Plant Summary
- EIA Plant ID
- 60546
- Capacity
- 28 MW
- Primary Fuel
- Solar
- Technology
- Batteries, Solar Photovoltaic
- Status
- Operating
- Location
- Kauai, HI
- Operating Since
- 2017
- Generators
- 2
- Operator
- Tesla Inc.
- Parent Company
- —
- Annual Generation
- 20,976 MWh
- Capacity Factor
- 8.5%
- Balancing Authority
- No BA
- ISO/RTO
- —
- NERC Region
- —
KIUC Kapaia PV and BA Storage Project Hy
OperatingBESSSolarHybrid
Ranked #4 of 23 Solar plants in HI#1502 of 7447 nationally
28 MW Batteries (13 MW) + Solar Photovoltaic (15 MW) operating in Kauai, HI — No BA
EIAGEMWD
28 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2017
Operating Since
Location
Coordinates
21.9973, -159.3792
County
Kauai, HI
Nearby Plants
- Biomass to Energy Facility, KauaiDistillate Oil10.3 MW · 9.1 km
- Kapaa Photovoltaic ProjectSolar1 MW · 10.5 km
- KRS II Koloa SolarBESS24 MW · 13.0 km
Ownership & Operator
Owner data does not fully agree across sources.
EIA typically reports the operating utility, while GEM resolves to the financial owner or parent corporation. Both can be correct.
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Tesla Inc. | Tesla | — |
| Owner(s) | Tesla Inc. | Dom Solar Lessor I LP [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Dom Solar Lessor I LP [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
The KIUC Kapaia PV and BA Storage Project Hy is a hybrid power plant located in Kauai County, Hawaii. The plant, which began operating in 2017, has a total capacity of 28 MW and is operated by Tesla Inc. It combines solar photovoltaic generation with battery energy storage. The facility is comprised of two generators utilizing both solar photovoltaic technology and batteries. The battery energy storage system (BESS) has a capacity of 52 MWh and a duration of 4 hours, employing lithium-ion battery chemistry (LIB). The solar component uses a fixed-tilt tracking system.
The plant's primary fuel source is listed as MWH. In its most recent year of operation, the plant generated 20,976 MWh, resulting in a capacity factor of 8.5%. The KIUC Kapaia PV and BA Storage Project Hy is ranked 13th out of 20 power plants in Hawaii and 660th out of 1205 nationally. Financial data is available for the plant, sourced from lbnl_solar. The plant operates outside of a formal balancing authority ("No BA").
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
—
Balancing Authority
No BA
Grid Voltage
1 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
1.5K MWh
Latest Month
21.0K MWh
Annual Generation
8.5%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$105.0/MWh
LCOE (Levelized Cost)
$172.1/MWh
Energy Value
Pricing & Market Data
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
News & Articles (3)Beta
Hazards·flooding
Flood Watch: Niihau; Kauai Southwest; Kauai Mountains; Kauai North; Kauai East; Kauai South
Flood Watch issued March 21 at 3:53AM HST until March 22 at 6:00PM HST by NWS Honolulu HI
Flood Watch (hazard)
NWS Honolulu HI·5 days ago
General
Report: Tesla is secretly building a giant 100 MW battery in Texas
A Tesla Inc. subsidiary registered as Gambit Energy Storage LLC is quietly building a more than 100 megawatt energy storage project in Angleton, Texas.
Ars Technica·5 years ago
General
Silicon Valley may be powered using giant lithium-ion batteries under new projects to switch away from fossil fuels
California utility PG&E Corp. has proposed using giant lithium-ion batteries, including packs supplied by Tesla Inc., to supply power to...
The Japan Times·7 years ago
Last updated 2026-03-21
View all articles