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5 MW Solar operating in Washington, RI — ISO New England Inc.
5 MW
Nameplate Capacity
1
Generators
unit
Solar Photovoltaic
Technology
2025
Operating Since
Coordinates
41.5322, -71.5597
County
Washington, RI
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Nautilus Solar Solutions | Nautilus Solar Solutions | — |
| Owner(s) | Nautilus Solar Solutions | Nautilus Solar Solutions | — |
| Status | Operating | operating | — |
GEM identifies the owner as Nautilus Solar Solutions
This entity is not yet in the GEM ownership database — chain unavailable.
Exeter Mail CSG is a 5 MW solar photovoltaic power plant located in Washington County, Rhode Island. The plant began operating in 2025 and is owned and operated by Nautilus Solar Solutions. It consists of a single generator utilizing fixed-tilt solar tracking technology.
The plant's location within Rhode Island places it in the ISO New England Inc. balancing authority and the Northeast Power Coordinating Council (NPCC) NERC region. Exeter Mail CSG ranks as the 21st largest solar facility in Rhode Island out of 73, and it holds a national ranking of 2773 out of 7108 solar plants. The plant's primary fuel source is solar energy.
Generated from EIA, GEM, and public data sources
ISO/RTO
ISO-NE
Market
ISO/RTO Member
NERC Region
NPCC — Northeast Power Coordinating Council
Balancing Authority
No generation data available for this plant.
2023
$2,584/kW
Est. Construction Cost
Total estimated cost: $12.9M
Market Position
ISO/RTO Market
ISO-NE
LMP Node
—
Pricing Hub
.Z.RHODEISLAND
Node Source
OSM spatial match
No news articles linked yet for this plant.
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ISO New England Inc. (ISNE)
Grid Voltage
12.47 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP