Query
Marshfield 6
Type
Entity Briefing
Entity
Marshfield 6
Generated
2026-10-19T04:31:50.433Z

Briefing on Marshfield 6

Entity Briefing
Generated Oct 19, 2026·Dataset freshness not reported
5 MW
Capacity
Operating
Current status
1927
Operating since
1
Generators
18.3%
Capacity factor
8 GWh
Annual generation
Briefing/plantOperating

Marshfield 6 is a 5 MW Conventional Hydroelectric asset in ISO New England, currently Operating.

Marshfield 6 is reported in Vermont since 1927 under small shareholder(s). Available operating and financial measures include 18.3% capacity factor and 8 GWh annual generation; $7071/kW reported CapEx.

Location
Washington, Vermont
Technology
Conventional Hydroelectric
Owner / parent
small shareholder(s)
Operator
Green Mountain Power Corp
Grid
ISO New England
Plant ID
3739

What stands out

1

Marshfield 6 is a 5 MW Conventional Hydroelectric asset in Vermont with status Operating.

2

Latest annual operating measures report 18.3% capacity factor and 8 GWh annual generation.

3

Available financial measures include $44783.0/MWh OpEx, $7071/kW CapEx.

4

Latest linked story: “Green Mountain Power Corporation; Notice of Intent To Prepare an Environmental Assessment” (Federal Register (FERC), 2026-06-18).

Market and operating context

ISO / market
ISO New England
Balancing authority
ISO New England Inc.
NERC region
NPCC
State rank
#16 of 45
National rank
#883 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.