Mount Signal Solar Farm II — Plant Summary
- EIA Plant ID
- 61353
- Capacity
- 153.5 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Imperial, CA
- Operating Since
- 2020
- Generators
- 1
- Operator
- MN8 Energy LLC
- Parent Company
- —
- Annual Generation
- 402,547 MWh
- Capacity Factor
- 29.9%
- Balancing Authority
- California Independent System Operator
- ISO/RTO
- CAISO
- NERC Region
- WECC
Mount Signal Solar Farm II
OperatingSolar
Ranked #79 of 963 Solar plants in CA#475 of 7447 nationally
153.5 MW Solar operating in Imperial, CA — California Independent System Operator
EIAGEMWD
153.5 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2020
Operating Since
Location
Coordinates
32.6672, -115.6239
County
Imperial, CA
Nearby Plants
- Wistaria Ranch SolarSolar106.7 MW · 1.4 km
- Centinela Solar EnergySolar174.8 MW · 3.1 km
- Imperial Solar Energy Center SouthSolar128.9 MW · 3.3 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 | Silver Ridge Power (SRP) | — |
| Owner(s) | MN8 Energy LLC | Silver Ridge Power (SRP) [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Silver Ridge Power (SRP) [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Mount Signal Solar Farm II is a 153.5 MW solar photovoltaic power plant located in Imperial County, California. The plant began operating in 2020 and has one generator. It is owned and operated by MN8 Energy LLC. The facility utilizes single-axis tracking to maximize solar energy capture. Mount Signal Solar Farm II ranks 31st out of 59 solar plants in California and 341st nationally out of 639 plants.
In its most recent year of operation, Mount Signal Solar Farm II generated 402,547 MWh of electricity, achieving a capacity factor of 29.9%. The plant's primary fuel source is the sun. It operates within the California Independent System Operator (CAISO) balancing authority and the Western Electricity Coordinating Council (WECC) NERC region. Financial data is available for the plant from LBNL, and it has been featured in 10 news articles, covering industry trends, deals, and grid-related topics.
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
20.4K MWh
Latest Month
402.5K MWh
Annual Generation
29.9%
Capacity Factor
Jan 2023 – Dec 2025
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$34.5/MWh
LCOE (Levelized Cost)
$11.3/MWh
Energy Value
Pricing & Market Data
HIGH confidenceMarket Position
ISO/RTO Market
CAISO
LMP Node
WNSTRGN1_7_N001
Pricing Hub
TH_SP15_GEN-APND
Location Type
Pricing Node
Node Source
Curated node match
News & Articles (10)Beta
Industry·corporate
Why California’s closed $2 billion solar plant is not a signal of industry failure
Beginning operations in 2014, the Ivanpah Solar plant cost $2.2 billion to build. It is now closing operations, but the plant's closure is...
Ivanpah Solar (operator)
pv magazine USA·5 months ago
Industry·technology
Top 10 Solar Power Plants in the USA
The United States has been making significant strides in renewable energy, with solar power emerging as a key player in the clean energy...
ELE Times·1 years ago
Industry·technology
Where Are the World’s Largest Solar Power Plants?
Solar power has grown rapidly over the last decade, and so have solar plants. This map shows the world's 15 largest solar power plants.
Visual Capitalist·2 years ago
Industry·corporate
Want to solve climate change? This California farm kingdom holds a key
Replacing agriculture with solar panels could help solve the West's energy and water crises. But farmers are fighting back.
Los Angeles Times·3 years ago
Last updated 2026-03-14
View all 10 articles