Waiawa Solar Power Hybrid

OperatingBESSSolarHybrid

Ranked #5 of 14 BESS plants in HI#368 of 837 nationally

72 MW Batteries (36 MW) + Solar Photovoltaic (36 MW) operating in Honolulu, HI — Hawaiian Electric Co Inc

EIAGEM

72 MW

Nameplate Capacity

Generators

units

Hybrid (2)

Technology

Batteries + Solar Photovoltaic

2023

Operating Since

Location

Coordinates

21.4201, -157.9707

County

Honolulu, HI

Nearby Plants

AES Waiawa Phase 2 Solar
BESS60 MW · 1.4 km
Waiau
Residual Oil474.6 MW · 3.6 km
Waipio Solar
Solar45.9 MW · 4.2 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	Waiawa Solar Power LLC	Clearway Energy Group	—
Owner(s)	Waiawa Solar Power LLC	Clearway Energy	—
Status	Operating	operating	—

Ownership Chain

About

Waiawa Solar Power Hybrid is a 72 MW hybrid power plant located in Honolulu County, Hawaii. The plant, which began operating in 2023, is owned by Clearway Energy and operated by Waiawa Solar Power LLC. It utilizes both solar photovoltaic technology and batteries, with two generators on site. The primary fuel source is listed as MWH. The facility includes 4.6 MWh of battery energy storage with a 0.13-hour duration, utilizing lithium-ion battery chemistry. The solar array employs single-axis tracking.

The plant's latest annual generation was 58,019 MWh, resulting in a capacity factor of 9.2%. Waiawa Solar Power Hybrid operates within the Hawaiian Electric Co Inc balancing authority. It is ranked as the 5th largest power plant out of 20 in the state of Hawaii, and 559th out of 1205 nationally. Financial data is available for the plant, sourced from LBNL Solar.

Generated from EIA, GEM, and public data sources

EIA Plant Profile Global Energy Monitor

Engineering & Generators

Grid Context

NERC Region

—

Balancing Authority

Hawaiian Electric Co Inc

Grid Voltage

46 kV

Regulatory Status

Entity Type

Independent Power Producer

Sector

IPP Non-CHP

Generation

3.1K MWh

Net Discharge

58.0K MWh

Annual Net Energy

9.2%

Capacity Factor

Positive values indicate net discharge (generation exceeds station load). Negative values indicate net charging. Pure battery storage plants are typically net negative due to round-trip efficiency losses.

Financial DataBeta

Source: LBNL Utility-Scale SolarHIGH

$171.7/MWh

Energy Value

Pricing & Market Data

This plant is outside organized wholesale electricity markets (ISOs/RTOs). Nodal pricing data is not available.

News & Articles (10)Beta

Hazards·flooding

Flash Flood Warning: Oahu in Honolulu, HI

Flash Flood Warning issued March 21 at 8:40AM HST until March 21 at 11:00AM HST by NWS Honolulu HI

Flash Flood Warning (hazard)

NWS Honolulu HI·5 days ago