Slate Hybrid — Plant Summary
- EIA Plant ID
- 63727
- Capacity
- 440.3 MW
- Primary Fuel
- Solar
- Technology
- Batteries, Solar Photovoltaic
- Status
- Operating
- Location
- Kings, CA
- Operating Since
- 2021
- Generators
- 9
- Operator
- MN8 Energy LLC
- Parent Company
- —
- Annual Generation
- 727,184 MWh
- Capacity Factor
- 18.8%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Slate Hybrid
OperatingBESSSolarHybrid
Ranked #10 of 963 Solar plants in CA#57 of 7447 nationally
440.3 MW Batteries (140 MW) + Solar Photovoltaic (300 MW) operating in Kings, CA — California Independent System Operator
EIAGEMWD
440.3 MW
Nameplate Capacity
9
Generators
units
Hybrid (2)
Technology
Batteries + Solar Photovoltaic
2021
Operating Since
Location
Coordinates
36.2270, -119.8948
County
Kings, CA
Nearby Plants
- Henrietta D Energy Storage LLCBESS10 MW · 0.9 km
- Westside Solar Power PV1Solar2 MW · 1.4 km
- RE Kent South, LLCSolar20 MW · 1.5 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 | MN8 Energy LLC | Goldman Sachs Renewable Power | — |
| Owner(s) | MN8 Energy LLC | Goldman Sachs Renewable Power [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Goldman Sachs Renewable Power [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Located in Kings County, California, the Slate Hybrid plant is a 440.3 MW hybrid facility primarily fueled by solar energy. The plant, which began operating in 2021, is owned and operated by MN8 Energy LLC. It consists of 9 generators utilizing both solar photovoltaic technology and battery energy storage systems (BESS). The BESS component has a storage capacity of 135 MWh and a duration of approximately 3.99 hours, employing lithium-ion battery chemistry (LIB). The solar component uses single-axis tracking.
Slate Hybrid operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. In its latest year of operation, the plant generated 727,184 MWh, achieving a capacity factor of 18.8%. The plant holds a ranking of 3 out of 59 solar facilities in California, and a national ranking of 30 out of 639. Financial data indicates a power purchase agreement (PPA) price of $23.3 per MWh.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
California Independent System Operator
Grid Voltage
230 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
13.7K MWh
Latest Month
727.2K MWh
Annual Generation
18.8%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$36.3/MWh
LCOE (Levelized Cost)
$23.3/MWh
PPA Price
$4.4/MWh
Energy Value
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
SLATE_7_N003
Pricing Hub
TH_NP15_GEN-APND
Secondary Zone
TH_ZP26_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (1)Beta
Grid·capacity addition
US added 15 GW generating capacity, 4.2 GW solar in first half 2022
The Energy Information Administration (EIA) reports that the United States added 15 GW of generating capacity in the first six months of...
Energy Information Administration (other)EIA (other)
pv magazine USA·3 years ago
Last updated 2026-03-14
View all articles