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90 MW Solar under construction in Defiance, OH
90 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
—
Operating Since
Coordinates
41.2880, -84.6113
County
Defiance, OH
Nearby Plants
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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 | Naturgy Solar Operation USA LLC | Candela Renewables | — |
| Owner(s) | Naturgy Candela DevCo LLC | Candela Renewables LLC | — |
| Status | Under construction | pre-construction | — |
GEM identifies the owner as Candela Renewables LLC
This entity is not yet in the GEM ownership database — chain unavailable.
The Mark Center Solar Project is a 90 MW solar photovoltaic power plant located in Defiance County, Ohio. The plant's primary fuel source is solar energy. It is operated by Naturgy Candela DevCo LLC. The facility consists of a single generator utilizing fixed-tilt solar tracking technology.
The Mark Center Solar Project is interconnected to the PJM Interconnection, LLC balancing authority, which operates within the ReliabilityFirst Corporation (RFC) NERC region. In terms of size, the plant ranks as the 32nd largest solar facility in Ohio out of 84, and 666th nationally out of 7108.
Generated from EIA, GEM, and public data sources
ISO/RTO
PJM
Market
ISO/RTO Member
NERC Region
RFC
Balancing Authority
PJM Interconnection, LLC (PJM)
Grid Voltage
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
—
Sector
IPP Non-CHP
No generation data available for this plant.
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2023
$1,606/kW
Est. Construction Cost
Total estimated cost: $144.5M
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Market Position
ISO/RTO Market
PJM
LMP Node
MARKCENT 69 KV COOP
Pricing Hub
AEP-DAYTON HUB
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-03-26
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