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3 MW Solar operating in Johnson, IA — Midcontinent Independent Transmission System Operator, Inc..
3 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2022
Operating Since
Coordinates
41.5730, -91.5432
County
Johnson, IA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | MidAmerican Energy Co | MidAmerican Energy | — |
| Owner(s) | MidAmerican Energy Co | Berkshire Hathaway | — |
| Status | Operating | operating | — |
Johnson County Hills Solar is a 3 MW solar photovoltaic power plant located in Johnson County, Iowa. The plant began operating in 2022 and has one generator. It is owned by Berkshire Hathaway and operated by MidAmerican Energy Co. The plant utilizes single-axis tracking to maximize solar energy capture. It ranks 16th out of 31 solar plants in Iowa and 3840th nationally out of 7108 plants.
In its most recent year of operation, Johnson County Hills Solar generated 5,582 MWh of electricity, resulting in a capacity factor of 21.2%. The plant operates within the Midcontinent Independent Transmission System Operator, Inc. (MISO) balancing authority and the MRO NERC region. Financial data indicates an installed cost of $1,882.07 per kW, as reported to FERC.
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
13.2 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
171 MWh
Latest Month
5.6K MWh
Annual Generation
21.2%
Capacity Factor
Solar photovoltaic · MidAmerican Energy Company · Data from 2022–2024
$1,915/kW
Installed Cost
$5.3/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
Point of Interconnection
Nearest Substation
Hills Substation · 345 kV
Substation Distance
0.605 km
Operator
MidAmerican Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
AMIL.IOW_AFRYT
Pricing Hub
MINN.HUB
Alt. Hub / Zone
ILLINOIS.HUB
Location Type
Generation Node
Node Source
Curated node match
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