MWPowerPlantFacts

Data last collected:

EIA plant 1469

Ellsworth · Hancock · ME

Ellsworth Hydro Station

Operated by Brookfield Black Bear Hydro, LLC

Annual generation21,890 MWhSum of represented EIA-923 rows
Fuel codesWATCodes retained from EIA records
Grid contextISO New England Inc.Balancing authority or NERC region

Published location

Where is Ellsworth Hydro Station?

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

44.544200, -68.430600

Open the interactive map ↗
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 Hydroelectric8.9 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.

15,100
22,238
35,667
43,524
51,020
61,213
71,180
8536
9344
10281
11119
12668

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
15,100
22,238
35,667
43,524
51,020
61,213
71,180
8536
9344
10281
11119
12668

2024 monthly net generation

MonthNet generation
15,100 MWh
22,238 MWh
35,667 MWh
43,524 MWh
51,020 MWh
61,213 MWh
71,180 MWh
8536 MWh
9344 MWh
10281 MWh
11119 MWh
12668 MWh

Operating generators

IDTechnologyFuelMWStatus
EL01Conventional HydroelectricWAT2.5OP
EL04Conventional HydroelectricWAT2.4OP
EL02Conventional HydroelectricWAT2OP
EL03Conventional HydroelectricWAT2OP

Continue exploring

Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
1469
Sector
IPP Non-CHP
Water source
Union 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 Ellsworth Hydro Station 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 Ellsworth Hydro Station

Variation in the published months

Across 12 numeric monthly generation entries, 3 has the highest recorded value (5,667 MWh) and 11 the lowest (119 MWh). Their difference is 5,548 MWh. Missing months have not been treated as zero.

Reading the MW column

In the 4 numeric rows displayed in this table, MW ranges from 2 (EL02, EL03) to 2.5 (EL01). The difference is 0.5 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
EL01Conventional Hydroelectric2.52.62.51.0
EL02Conventional Hydroelectric2.02.12.00.5
EL03Conventional Hydroelectric2.02.12.00.5
EL04Conventional Hydroelectric2.42.52.41.0

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.

Power plant research

Before you decide, check these points against the current source.

Things to check