West Dubuque Solar — Plant Summary
- EIA Plant ID
- 60951
- Capacity
- 3.8 MW
- Primary Fuel
- Solar
- Technology
- Solar Photovoltaic
- Status
- Operating
- Location
- Dubuque, IA
- Operating Since
- 2017
- Generators
- 1
- Operator
- Interstate Power and Light Co
- Parent Company
- Alliant Energy
- Annual Generation
- 6,471 MWh
- Capacity Factor
- 19.4%
- Balancing Authority
- Midcontinent Independent Transmission System Operator, Inc..
- ISO/RTO
- MISO
- NERC Region
- MRO
West Dubuque Solar
OperatingSolar
Ranked #15 of 31 Solar plants in IA#3871 of 7447 nationally
3.8 MW Solar operating in Dubuque, IA — Midcontinent Independent Transmission System Operator, Inc..
EIAGEMWD
3.8 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2017
Operating Since
Location
Coordinates
42.4917, -90.7917
County
Dubuque, IA
Nearby Plants
- Alliant SBD 9205 A Y McDonaldDistillate Oil3.6 MW · 3.8 km
- Alliant SBD 9301 Prairie FarmsDistillate Oil3.5 MW · 9.8 km
- DowntownDistillate Oil3.2 MW · 11.1 km
Ownership & Operator
| 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 | operating | — |
Ownership Chain
About
West Dubuque Solar is a 3.8 MW solar photovoltaic power plant located in Dubuque County, Iowa. The plant began operating in 2017 and is owned by Alliant Energy, with Interstate Power and Light Co. listed as the EIA operator. It consists of a single generator utilizing fixed-tilt solar tracking. The plant is connected to the Midcontinent Independent Transmission System Operator (MISO) and falls within the MRO NERC region. West Dubuque Solar ranks as the 15th largest solar plant in Iowa out of 31, and 3570th nationally out of 7108.
In its most recent year of operation, West Dubuque Solar generated 6,471 MWh of electricity, achieving a capacity factor of 19.4%. Financial data indicates an installed cost of $3,742.87 per kW, according to FERC filings. The plant's primary fuel source is solar energy.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
MRO
Balancing Authority
Midcontinent Independent Transmission System Operator, Inc..
Grid Voltage
13.8 kV
Regulatory Status
RE
Entity Type
Investor-Owned Utility
Sector
Electric Utility
Generation
217 MWh
Latest Month
6.5K MWh
Annual Generation
19.4%
Capacity Factor
Jan 2022 – Dec 2024
Financial DataBeta
Source: FERC Form 1HIGH
$2,846/kW
Installed Cost
Interstate Power and Light Company
Reporting Utility
Cumulative Installed Cost
Per-Unit Cost Trends
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Seippel Road Substation · 69 kV
Substation Distance
< 10 km
Operator
Alliant Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
MISO
LMP Node
—
Pricing Hub
MINN.HUB
Node Source
OSM spatial match
Substation identified. Node ID not yet resolved against ISO roster.
Center Grove SubstationSubstation
News & Articles (9)Beta
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Last updated 2026-03-26
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