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PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/54639
EIA plant 54639

Berlin · Coos · NH

Berlin Gorham

Operated by Great Lakes Hydro America LLC

Annual generation133,480 MWhSum of represented EIA-923 rows
Fuel codesMWH, WATCodes retained from EIA records
Grid contextISO New England Inc.Balancing authority or NERC region

Published location

Where is Berlin Gorham?

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

44.388900, -71.164500

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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.

Equipment mix

Operating capacity by technology

TechnologyConventional Hydroelectric30.3 MW represented
TechnologyBatteries14 MW represented

Grouped from this plant’s represented generator records. Use the NH plant index for regional peers.

See the evidence

Electricity output across the year

Monthly net generation shows the seasonal shape of this plant's represented output. A negative value is retained when the source reports net consumption.

113,388
211,189
312,482
413,940
512,749
611,088
713,689
813,685
99,903
106,244
115,578
129,545

MWh net generation · 2024 final edition · EIA 923 represented operating rows. 12 of 12 supplied rows shown; 0 missing values omitted. Months with no reported numeric value are omitted, not treated as zero.

Read the chart as a table
Electricity output across the year — MWh net generation
RecordMWh net generation
113,388
211,189
312,482
413,940
512,749
611,088
713,689
813,685
99,903
106,244
115,578
129,545

2024 monthly net generation

MonthNet generation
113,388 MWh
211,189 MWh
312,482 MWh
413,940 MWh
512,749 MWh
611,088 MWh
713,689 MWh
813,685 MWh
99,903 MWh
106,244 MWh
115,578 MWh
129,545 MWh

Operating generators

IDTechnologyFuelMWStatus
BESS1BatteriesMWH14OP
RS3Conventional HydroelectricWAT4.1OP
RS1Conventional HydroelectricWAT3.8OP
CAS3Conventional HydroelectricWAT3.1OP
CAS1Conventional HydroelectricWAT2.4OP
CAS2Conventional HydroelectricWAT2.4OP
SHL3Conventional HydroelectricWAT1.8OP
GOR1Conventional HydroelectricWAT1.2OP
GOR2Conventional HydroelectricWAT1.2OP
GOR3Conventional HydroelectricWAT1.2OP
GOR4Conventional HydroelectricWAT1.2OP
SH2Conventional HydroelectricWAT0.9OP
SHL1Conventional HydroelectricWAT0.9OP
SM1Conventional HydroelectricWAT0.8OP
SM2Conventional HydroelectricWAT0.8OP
SM4Conventional HydroelectricWAT0.8OP
SM3Conventional HydroelectricWAT0.7OP
XP5Conventional HydroelectricWAT0.7OP
XP1Conventional HydroelectricWAT0.6OP
XP2Conventional HydroelectricWAT0.6OP
XP3Conventional HydroelectricWAT0.6OP
XP4Conventional HydroelectricWAT0.5OP

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Identity, technology and limitations
EIA plant ID
54639
Sector
IPP Non-CHP
Water source
Androscoggin River
Data edition
2024-final

Use this record

Questions this evidence can answer

01What exactly is this record?

Use the name, place, date and identifiers above to confirm that you have the right Berlin Gorham power plant: capacity and generation | PowerPlantFacts record.

02What does the evidence establish?

Read the reported values with their units, coverage dates and source notes. Keep observed facts separate from estimates or interpretation.

03What should I verify next?

Follow the primary-source links and check the limitations before using this evidence for a decision, comparison or citation.

A closer look at Berlin Gorham

Variation in the published months

Across 12 numeric monthly generation entries, 4 has the highest recorded value (13,940 MWh) and 11 the lowest (5,578 MWh). Their difference is 8,362 MWh. Missing months have not been treated as zero.

Reading the MW column

In the 22 numeric rows displayed in this table, MW ranges from 0.5 (XP4) to 14 (BESS1). The difference is 13.5 in the column's stated units. This summary covers the displayed rows and retains the table's period and scope.

Generator capacity in different operating conditions

Generator IDTechnologyNameplate MWSummer MWWinter MWMinimum load MW
BESS1Batteries14.014.014.00.1
CAS1Conventional Hydroelectric2.42.42.40.1
CAS2Conventional Hydroelectric2.42.42.40.1
CAS3Conventional Hydroelectric3.13.13.10.1
GOR1Conventional Hydroelectric1.21.21.20.1
GOR2Conventional Hydroelectric1.21.21.20.1
GOR3Conventional Hydroelectric1.21.21.20.1
GOR4Conventional Hydroelectric1.21.21.20.1
RS1Conventional Hydroelectric3.83.83.80.1
RS3Conventional Hydroelectric4.14.14.10.1
SH2Conventional Hydroelectric0.90.90.90.1
SHL1Conventional Hydroelectric0.90.90.90.1
SHL3Conventional Hydroelectric1.81.81.80.1
SM1Conventional Hydroelectric0.80.80.80.1
SM2Conventional Hydroelectric0.80.80.80.1
SM3Conventional Hydroelectric0.70.80.80.1
SM4Conventional Hydroelectric0.80.80.80.1
XP1Conventional Hydroelectric0.60.60.60.1
XP2Conventional Hydroelectric0.60.60.60.1
XP3Conventional Hydroelectric0.60.60.60.1
XP4Conventional Hydroelectric0.50.50.50.1
XP5Conventional Hydroelectric0.70.70.70.1

EIA-860 2024 final source. Ratings describe capacity, not actual generation or availability. Missing ratings are not zero.

Source: US Energy Information Administration Form EIA-860 2024 plant and operable-generator workbooks; archive 2024. US EIA-authored information is generally public domain; cite EIA, preserve third-party exceptions, changes and no-endorsement context. Source-specific derived data.

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