Query
401 South
Type
Entity Briefing
Entity
401 South
ISO/RTO
spp
Generated
2026-10-17T06:36:14.827Z

Briefing on 401 South

Entity Briefing
Generated Oct 17, 2026·Dataset freshness not reported
2 MW
Capacity
Operating
Current status
2023
Operating since
2
Generators
3.1%
Capacity factor
0 GWh
Annual generation
Briefing/plantOperating

401 South is a 2 MW Batteries asset in Massachusetts, currently Operating.

401 South is reported in Massachusetts since 2023 under Madison Energy Investments LLC. Available operating and financial measures include 3.1% capacity factor and 0 GWh annual generation; $1361/kW reported CapEx.

Location
Berkshire, Massachusetts
Technology
Batteries, Solar Photovoltaic
Owner / parent
Madison Energy Investments LLC
Operator
Madison Energy Investments LLC
Grid
Southern Company Services, Inc. - Trans
Plant ID
67241

What stands out

1

401 South is a 2 MW Batteries asset in Massachusetts with status Operating.

2

Latest annual operating measures report 3.1% capacity factor and 0 GWh annual generation.

3

Available financial measures include $1361/kW CapEx.

Market and operating context

Balancing authority
Southern Company Services, Inc. - Trans
NERC region
NPCC
State rank
#57 of 58
National rank
#957 of 994

Why it matters

For this asset, 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.