MWPowerPlantFacts

Data last collected:

EIA plant 2364

Bow · Merrimack · NH

Merrimack

Operated by Granite Shore Power

Annual generation225,744 MWhSum of represented EIA-923 rows
Fuel codesBIT, JFCodes retained from EIA records
Grid contextISO New England Inc.Balancing authority or NERC region

Published location

Where is Merrimack?

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

43.141100, -71.469200

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 Steam Coal459.2 MW represented
TechnologyPetroleum Liquids37.2 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.

128,634
20
36,819
40
567
6108
748,488
818,491
90
1054
1122,512
12100,571

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
128,634
20
36,819
40
567
6108
748,488
818,491
90
1054
1122,512
12100,571

2024 monthly net generation

MonthNet generation
128,634 MWh
20 MWh
36,819 MWh
40 MWh
567 MWh
6108 MWh
748,488 MWh
818,491 MWh
90 MWh
1054 MWh
1122,512 MWh
12100,571 MWh

Operating generators

IDTechnologyFuelMWStatus
2Conventional Steam CoalBIT345.6OP
1Conventional Steam CoalBIT113.6OP
GT1Petroleum LiquidsJF18.6OP
GT2Petroleum LiquidsJF18.6OP

Continue exploring

Similar-capacity plants in the same state

Identity, technology and limitations
EIA plant ID
2364
Sector
IPP Non-CHP
Water source
Merrimack 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 Merrimack 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 Merrimack

Variation in the published months

Across 12 numeric monthly generation entries, 12 has the highest recorded value (100,571 MWh) and 2, 4, 9 the lowest (0 MWh). Their difference is 100,571 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 18.6 (GT1, GT2) to 345.6 (2). The difference is 327 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
1Conventional Steam Coal113.6108.0108.080.0
2Conventional Steam Coal345.6330.5330.0200.0
GT1Petroleum Liquids18.616.821.74.0
GT2Petroleum Liquids18.616.821.34.0

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