Exelon West Medway II LLC reports 263.6 MW natural gas in ISO-NE.
Mapped infrastructure geometry associated with this asset.
EIA plant 59882 · Inventory for Aug 2026.
| Generator | Technology | Status | Power (MW) | Energy (MWh) |
|---|---|---|---|---|
| 4 | Natural Gas Fired Combustion Turbine | Operating | 131.8 | Unknown |
| 5 | Natural Gas Fired Combustion Turbine | Operating | 131.8 | Unknown |
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Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| 4 | 131.8 MW 94.4 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Mar 2019 | Operating |
| 5 | 131.8 MW 94.2 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | May 2019 | Operating |
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Monthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
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| Largest reported plants | Capacity | State | |
|---|---|---|---|
| Handley | 1,314.8 MW | TX | |
| Wolf Hollow II | 1,231.2 MW | TX | |
| Colorado Bend II | 1,230.3 MW | TX | |
| Muddy Run | 1,072 MW | PA | |
| Eddystone Generating Station | 861.6 MW | PA | |
| Croydon CT Generating Station | 546.4 MW | PA | |
Project milestones and public references behind the asset profile.
Two GE LMS100 units, 200 MW.
Two-unit, 192 MW simple-cycle.
EIA-860 lists generator 4 with this operating date.
EIA-860 lists generator 5 with this operating date.
Answered from the published record above. Questions whose inputs this profile does not carry are omitted rather than estimated.
Exelon West Medway II reports 263.6 MW natural gas of operating nameplate capacity. These technology ratings do not establish a common export limit. Source: EIA Aug 2026.
Exelon West Medway II is a Natural Gas Fired Combustion Turbine facility in Norfolk County, MA, participating in the ISO-NE market.
Exelon West Medway II is in Norfolk County, MA, inside the ISO-NE balancing area.
Exelon West Medway II is operated by Constellation Power, Inc according to the EIA generator inventory. Reporting membership does not by itself establish ultimate ownership.
Exelon West Medway II reported 230.6 GWh over the twelve months to 2026-07. Figures are net generation as filed to EIA-923.
By capacity, Exelon West Medway II ranks #206 of 829 operating plants of the same technology nationally. It ranks #2 of 17 in MA.
Plants within 25 km, nearest first, regardless of technology. Proximity is straight-line distance between mapped plant coordinates; it does not by itself establish a shared point of interconnection.
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
