Black Mesa Solar, LLC — Plant Summary
- EIA Plant ID
- 66569
- Capacity
- 40 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Elmore, ID
- Operating Since
- 2023
- Generators
- 1
- Operator
- Black Mesa Solar, LLC
- Parent Company
- —
- Annual Generation
- 89,175 MWh
- Capacity Factor
- 25.4%
- Balancing Authority
- Idaho Power Company
- ISO/RTO
- —
- NERC Region
- WECC
Black Mesa Solar, LLC
OperatingSolar
Ranked #7 of 14 Solar plants in ID#1430 of 7447 nationally
40 MW Solar operating in Elmore, ID — Idaho Power Company
EIAGEM
40 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2023
Operating Since
Location
Coordinates
42.9002, -115.1923
County
Elmore, ID
Nearby Plants
- Black Mesa BESSBESS40 MW · 1.2 km
- Bliss (ID)Hydro75 MW · 10.0 km
- High MesaWind40 MW · 12.5 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 | Black Mesa Solar, LLC | Black Mesa Solar | — |
| Owner(s) | Black Mesa Solar, LLC | Micron Technology Inc [100%] | — |
| Status | Operating | operating | — |
Ownership Chain
GEM identifies the owner as Micron Technology Inc [100%]
This entity is not yet in the GEM ownership database — chain unavailable.
About
Black Mesa Solar, LLC is a 40 MW solar photovoltaic power plant located in Elmore County, Idaho. The plant began operating in 2023 and has one generator. It is owned and operated by Black Mesa Solar, LLC. The primary fuel source is solar energy. The plant utilizes single-axis tracking technology to maximize solar energy capture. Black Mesa Solar is ranked as the 7th largest solar plant in Idaho out of 14, and 1229th nationally out of 7108.
In its most recent year of operation, Black Mesa Solar generated 89,175 MWh of electricity, achieving a capacity factor of 25.4%. The plant operates within the Idaho Power Company balancing authority and is part of the Western Electricity Coordinating Council (WECC) NERC region. Financial data indicates that the plant has a power purchase agreement (PPA) price of $32.4 per MWh, according to data from Lawrence Berkeley National Laboratory (LBNL).
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
WECC
Balancing Authority
Idaho Power Company
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
2.4K MWh
Latest Month
89.2K MWh
Annual Generation
25.4%
Capacity Factor
Financial DataBeta
Source: LBNL Utility-Scale SolarHIGH
$40.2/MWh
LCOE (Levelized Cost)
$32.4/MWh
PPA Price
$21.1/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
Deals·ppa
Duke Energy begins operation of Idaho’s largest solar plant
Idaho Power to purchase power through 20-year agreement. Company awards $15,000 grant to support the Shoshone Basin Rangeland Fire...
Duke Energy (developer)Idaho Power (buyer)
Duke Energy | News Center·3 years ago
Industry·corporate
Downtown Boise hotel. Housing. Starbucks. New use for old Rockies Diner. Coming near you
New housing and commercial developments, construction projects and businesses around the Treasure Valley. Our latest update.
Idaho Statesman·3 years ago
Industry·corporate
Navajo Nation bets on coal
Navajo Keanu Israel loosens coal in a pile at the public load-out of the Kayenta Mine in Black Mesa, Arizona.
Navajo Nation (operator)
High Country News·12 years ago
Last updated 2026-03-14
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