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5 MW Solar operating in Poweshiek, IA — Midcontinent Independent Transmission System Operator, Inc..
5 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2025
Operating Since
Coordinates
41.7461, -92.7407
County
Poweshiek, IA
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Interstate Power and Light Co | Interstate Power and Light | — |
| Owner(s) | Interstate Power and Light Co | Alliant Energy | — |
| Status | Operating | construction | — |
Grinnell Customer Hosted Solar is a 5 MW solar photovoltaic power plant located in Poweshiek County, Iowa. The plant, which utilizes fixed-tilt solar tracking, is owned by Alliant Energy and operated by Interstate Power and Light Co, a subsidiary of Alliant. It consists of a single generator and uses solar energy as its primary fuel source.
The plant operates within the Midcontinent Independent Transmission System Operator (MISO) balancing authority, situated in the Midwest Reliability Organization (MRO) NERC region. Grinnell Customer Hosted Solar ranks as the 11th largest solar power plant in Iowa out of 31, and nationally it holds a rank of 2259 out of 7108 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
No generation data available for this plant.
2023
$1,606/kW
Est. Construction Cost
Total estimated cost: $8.0M
Point of Interconnection
Nearest Substation
Grinnell
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MINN.HUB
Alt. Hub / Zone
ILLINOIS.HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
No news articles linked yet for this plant.
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No ask pi reports yet for this entity.
ask pi about Grinnell Customer Hosted SolarMidcontinent Independent Transmission System Operator, Inc.. (MISO)
Grid Voltage
13.2 kV
Regulatory Status
RE — Regulated
Entity Type
Investor-Owned Utility
Sector
Electric Utility