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25 MW Solar operating in Adair, IA — Midcontinent Independent Transmission System Operator, Inc..
25 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2022
Operating Since
Coordinates
41.4619, -94.2754
County
Adair, IA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MidAmerican Energy Co | MidAmerican Energy | — |
| Owner(s) | MidAmerican Energy Co | Berkshire Hathaway | — |
| Status | Operating | operating | — |
Arbor Hill Solar is a 25 MW solar photovoltaic power plant located in Adair County, Iowa. The plant, which began operating in 2022, is owned by Berkshire Hathaway and operated by MidAmerican Energy Co. It utilizes single-axis tracking technology to maximize solar energy capture. The plant is interconnected to the Midcontinent Independent Transmission System Operator (MISO) balancing authority and resides within the MRO NERC region. Arbor Hill Solar is ranked as the 8th largest solar plant in Iowa out of 31, and 1323rd nationally out of 7108.
In its most recent year of operation, Arbor Hill Solar generated 45,121 MWh of electricity, resulting in a capacity factor of 20.6%. Financial data indicates an installed cost of $1619.49 per kW, as reported to FERC. The plant consists of a single generator.
Generated from EIA, GEM, and public data sources
ISO/RTO
MISO
Market
ISO/RTO Member
NERC Region
MRO — Midwest Reliability Organization
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
345.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
1.3K MWh
Latest Month
45.1K MWh
Annual Generation
20.6%
Capacity Factor
Solar photovoltaic · MidAmerican Energy Company · Data from 2022–2024
$1,621/kW
Installed Cost
$8.2/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Arbor Hill Substation · 345 kV
Substation Distance
< 10 km
Operator
MidAmerican Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
MEC.ARBHILL_S
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
EIA-860 direct report
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