28 MW Batteries (13 MW) + Solar Photovoltaic (15 MW) operating in Kauai, HI — No BA
28 MW
Nameplate Capacity
2
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2017
Operating Since
Coordinates
21.9973, -159.3792
County
Kauai, HI
Nearby Plants
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 | — |
GEM identifies the owner as Dom Solar Lessor I LP [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
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
NERC Region
—
Balancing Authority
No BA
Grid Voltage
1 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
1.5K MWh
Latest Month
21.0K MWh
Annual Generation
8.5%
Capacity Factor
$105.0/MWh
LCOE (Levelized Cost)
$172.1/MWh
Energy Value
This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.
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Flood Watch issued March 21 at 3:53AM HST until March 22 at 6:00PM HST by NWS Honolulu HI
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Last updated 2026-03-21
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