Cobble Mountain is a 33 MW Conventional Hydroelectric asset in ISO New England, currently Operating.
Cobble Mountain is reported in Massachusetts since 1930 under City of Holyoke Gas and Elec Dept - (MA). Available operating and financial measures include 2.7% capacity factor and 8 GWh annual generation; $2294/kW reported CapEx.
- Location
- Hampden, Massachusetts
- Technology
- Conventional Hydroelectric
- Owner / parent
- City of Holyoke Gas and Elec Dept - (MA)
- Operator
- City of Holyoke Gas and Elec Dept - (MA)
- Grid
- ISO New England
- Plant ID
- 1630
What stands out
Cobble Mountain is a 33 MW Conventional Hydroelectric asset in Massachusetts with status Operating.
Latest annual operating measures report 2.7% capacity factor and 8 GWh annual generation.
Available financial measures include $2294/kW CapEx.
Latest linked story: “Why Blandford residents are leery of a proposed battery storage site” (MassLive.com, 2025-09-25).
Market and operating context
- ISO / market
- ISO New England
- Balancing authority
- ISO New England Inc.
- NERC region
- NPCC
- State rank
- #5 of 32
- National rank
- #384 of 1,462
Why it matters
For this asset in ISO New England, operating status, generation, ownership, and linked events are the primary facts for performance and asset-level diligence. The exact chart and source-linked records below let the reader test those facts before moving to a deeper report.
