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150 MW Solar operating in Putnam, OH — PJM Interconnection, LLC
150 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2025
Operating Since
Coordinates
41.0929, -84.1161
County
Putnam, OH
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Avangrid Power LLC | Avangrid Renewables | — |
| Owner(s) | Avangrid Power LLC | Avangrid | — |
| Status | Operating | operating | — |
Powell Creek Solar is a 150 MW solar photovoltaic power plant located in Putnam County, Ohio. The plant began operating in 2025 and is owned and operated by Avangrid Power LLC, a subsidiary of Avangrid. It consists of a single generator utilizing fixed-tilt solar tracking technology. Powell Creek Solar ranks as the 17th largest solar plant in Ohio out of 31, and 349th nationally out of 639.
The plant operates within the PJM Interconnection, LLC balancing authority and the RFC NERC region. In its latest year of operation, Powell Creek Solar generated 219,815 MWh of electricity, achieving a capacity factor of 22.2%.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
8.3K MWh
Latest Month
219.8K MWh
Annual Generation
22.2%
Capacity Factor
2023
$1,606/kW
Est. Construction Cost
Total estimated cost: $240.9M
Point of Interconnection
Nearest Substation
Miller City Substation · 69 kV
Substation Distance
0.06 km
Operator
Paulding Putnam REA
Coord Source
OSM spatial
Market Position
ISO/RTO Market
PJM
LMP Node
LAMMER 34.5 KV POWELLSP
Pricing Hub
AEP-DAYTON HUB
Location Type
Generation Node
Node Source
Curated node match
Last updated 2026-03-26
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ask pi about Powell Creek SolarPJM Interconnection, LLC (PJM)
Grid Voltage
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP