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100 MW Solar operating in Webster, IA
100 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2022
Operating Since
Coordinates
42.5678, -94.1018
County
Webster, IA
Nearby Plants
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Request a demo →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 | MidAmerican Energy Co | MidAmerican Energy | — |
| Owner(s) | MidAmerican Energy Co | Berkshire Hathaway | — |
| Status | Operating | operating | — |
Holliday Creek Solar is a 100 MW solar photovoltaic power plant located in Webster County, Iowa. The plant began operating in 2022 and is owned by Berkshire Hathaway and operated by MidAmerican Energy Co. It utilizes single-axis tracking to maximize solar energy capture. The plant is connected to the Midcontinent Independent Transmission System Operator (MISO) grid and falls within the MRO NERC region.
In its most recent year of operation, Holliday Creek Solar generated 209,059 MWh of electricity, achieving a capacity factor of 23.8%. The plant's installed cost was $1,697.22 per kW, according to FERC data. Holliday Creek Solar is the 5th largest solar plant in Iowa, and ranks 577th nationally out of 639 solar plants.
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
161.0 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility
7.9K MWh
Latest Month
209.1K MWh
Annual Generation
23.8%
Capacity Factor
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Request a demo →Solar photovoltaic · MidAmerican Energy Company · Data from 2022–2024
$1,713/kW
Installed Cost
$4.4/MWh
Operating Cost
Annual Capital & Operating Expenses
Cumulative Installed Cost
Per-Unit Cost Trends
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Nearest Substation
Holliday Creek Solar · 161 kV
Substation Distance
0.713 km
Operator
MidAmerican Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
MEC.HOLLIDAYCR
Pricing Hub
MINN.HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
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