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PowerPlantFactsEvidence report · prepared 19 October 2026https://powerplantfacts.com/entity/54134
EIA plant 54134

Millinocket · Penobscot · ME

Great Lakes Hydro America - ME

Operated by Great Lakes Hydro America LLC

Annual generation570,871 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 Great Lakes Hydro America - ME?

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

45.647179, -68.704368

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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 Hydroelectric138 MW represented
TechnologyBatteries20 MW represented

Grouped from this plant’s represented generator records. Use the ME 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.

163,015
253,775
340,933
466,598
557,225
649,622
750,410
842,411
939,609
1031,085
1135,278
1240,910

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
163,015
253,775
340,933
466,598
557,225
649,622
750,410
842,411
939,609
1031,085
1135,278
1240,910

2024 monthly net generation

MonthNet generation
163,015 MWh
253,775 MWh
340,933 MWh
466,598 MWh
557,225 MWh
649,622 MWh
750,410 MWh
842,411 MWh
939,609 MWh
1031,085 MWh
1135,278 MWh
1240,910 MWh

Operating generators

IDTechnologyFuelMWStatus
MCH3Conventional HydroelectricWAT13.2OP
MCH1Conventional HydroelectricWAT12.2OP
MCH2Conventional HydroelectricWAT12.2OP
BES1BatteriesMWH10OP
BES2BatteriesMWH10OP
MIH2Conventional HydroelectricWAT5.5OP
MIH3Conventional HydroelectricWAT5.5OP
MIH8Conventional HydroelectricWAT5.4OP
MIHIConventional HydroelectricWAT5.4OP
DOH5Conventional HydroelectricWAT5.3OP
MIH4Conventional HydroelectricWAT5.1OP
MIH5Conventional HydroelectricWAT5.1OP
MIH6Conventional HydroelectricWAT5.1OP
WEH1Conventional HydroelectricWAT4.8OP
WEH2Conventional HydroelectricWAT4.8OP
WEH3Conventional HydroelectricWAT4.8OP
WEH4Conventional HydroelectricWAT4.8OP
DOH6Conventional HydroelectricWAT4.1OP
DOH7Conventional HydroelectricWAT4.1OP
MIH7Conventional HydroelectricWAT4OP
NOH1Conventional HydroelectricWAT3.2OP
NOH2Conventional HydroelectricWAT3.2OP
NOH3Conventional HydroelectricWAT3.2OP
DOH8Conventional HydroelectricWAT3OP
DOH4Conventional HydroelectricWAT1.8OS
EMH1Conventional HydroelectricWAT1.6OP
EMH2Conventional HydroelectricWAT1.6OP
EMH3Conventional HydroelectricWAT1.6OP
EMH4Conventional HydroelectricWAT1.6OP
EMH5Conventional HydroelectricWAT1.6OP

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Identity, technology and limitations
EIA plant ID
54134
Sector
IPP Non-CHP
Water source
West Branch Penobscot 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 Great Lakes Hydro America - ME 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 Great Lakes Hydro America - ME

Variation in the published months

Across 12 numeric monthly generation entries, 4 has the highest recorded value (66,598 MWh) and 10 the lowest (31,085 MWh). Their difference is 35,513 MWh. Missing months have not been treated as zero.

Reading the MW column

In the 30 numeric rows displayed in this table, MW ranges from 1.6 (EMH1, EMH2, EMH3) to 13.2 (MCH3). The difference is 11.6 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
BES1Batteries10.09.49.40.1
BES2Batteries10.09.49.40.1
DOH2Conventional Hydroelectric1.31.31.30.2
DOH3Conventional Hydroelectric1.31.31.30.2
DOH4Conventional Hydroelectric1.81.81.80.2
DOH5Conventional Hydroelectric5.35.04.90.5
DOH6Conventional Hydroelectric4.13.93.80.5
DOH7Conventional Hydroelectric4.13.93.80.5
DOH8Conventional Hydroelectric3.03.43.30.2
EMH1Conventional Hydroelectric1.61.51.50.2
EMH2Conventional Hydroelectric1.61.51.50.2
EMH3Conventional Hydroelectric1.61.51.50.2
EMH4Conventional Hydroelectric1.61.51.50.2
EMH5Conventional Hydroelectric1.61.51.50.2
EMH6Conventional Hydroelectric1.61.51.50.2
MCH1Conventional Hydroelectric12.211.611.28.0
MCH2Conventional Hydroelectric12.211.611.28.0
MCH3Conventional Hydroelectric13.212.512.19.0
MIH2Conventional Hydroelectric5.55.35.80.5
MIH3Conventional Hydroelectric5.55.35.80.5
MIH4Conventional Hydroelectric5.15.55.50.5
MIH5Conventional Hydroelectric5.14.94.70.5
MIH6Conventional Hydroelectric5.14.94.70.5
MIH7Conventional Hydroelectric4.05.55.50.5
MIH8Conventional Hydroelectric5.45.15.00.5
MIHIConventional Hydroelectric5.45.15.00.5
NOH1Conventional Hydroelectric3.23.02.90.5
NOH2Conventional Hydroelectric3.23.02.90.5
NOH3Conventional Hydroelectric3.23.02.90.5
WEH1Conventional Hydroelectric4.84.64.40.5
WEH2Conventional Hydroelectric4.84.64.40.5
WEH3Conventional Hydroelectric4.84.64.40.5
WEH4Conventional Hydroelectric4.84.64.40.5

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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