MWPowerPlantFacts
PowerPlantFactsEvidence report · prepared 2 September 2026https://powerplantfacts.com/entity/67241
EIA plant 67241

Dalton · Berkshire · MA

401 South

Operated by Madison Energy Investments LLC

Annual generation403 MWhSum of represented EIA-923 rows
Fuel codesMWH, SUNCodes retained from EIA records
Grid contextSouthern Company Services, Inc. - TransBalancing authority or NERC region

Published location

Where is 401 South?

This locator uses the coordinates in the approved source record. It shows geographic context, not a site boundary, safety zone or property-risk area.

42.464000, -73.184000

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Map data © OpenStreetMap contributors

Capacity is not generation. Nameplate MW describes equipment; annual MWh describes recorded output. Proposed and retired units are not added to operating capacity.

2024 monthly net generation

MonthNet generation
10 MWh
20 MWh
35 MWh
40 MWh
538 MWh
639 MWh
735 MWh
822 MWh
9104 MWh
1075 MWh
1164 MWh
1221 MWh

Operating generators

IDTechnologyFuelMWStatus
401SBBatteriesMWH1OP
4SPV1Solar PhotovoltaicSUN0.5OP

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Identity, technology and limitations
EIA plant ID
67241
Sector
IPP Non-CHP
Water source
Unavailable
Data edition
2024-final