Data center profile · Merrimack Station, 431 River Road, Bow, Merrimack County, New Hampshire

Merrimack Station Data Center, Bow

Possible data center at New England's last coal plant in Bow, New Hampshire: 350 MW grid study filed, but no developer, tenant or town application.

Study only, no application. Eversource and Granite Shore Power filed a grid viability study for a 350 MW project at FERC on Apr. 23, 2026; it became public Aug. 31, 2026. As of late Sept. 2026 Bow had no application; the developer is undisclosed.
350 MW
size of the grid viability study
study size per press reports of the FERC filing; not a design or load figure
200 MW
data center size an Eversource executive described
second-hand account of an Aug. 2026 staff meeting (press)
~400 acres
former plant parcel
owner's earlier plan was solar and batteries on this land (press)
0
applications filed with the town
Planning Board would decide; none on any 2026 agenda through Oct. 15
OperatorNone named; site owner is Granite Shore Power (joint venture of Atlas Holdings and Castleton Commodities)
CustomerNone named
Planned IT capacity280 MW at full build-out (our estimate from the company or utility power figure)
First building in serviceOur estimate: 2029 or later (no dated power path yet).
Next deadlineJan. 2027: New Hampshire legislative session opens; Senate Republicans say they will pursue data center moratorium legislation (press)
Power

Power and the grid

None energized or contracted yet

Eversource transmission grid (ISO-NE)Study filed, no service agreement
350 MW
study size only; the filings do not say how the facility would be powered News report · Oct. 2026
Proposed
Not used, not on record, or dropped

Getting on the grid

Who supplies what, what it costs, and what is still not public.

  1. Sept. 12, 2025
    Coal plant stops
    Merrimack Station stops producing power, ahead of its 2028 settlement deadline; the owner cites financial reasons. News report · Oct. 2026
  2. April 23, 2026
    Viability study agreement filed
    Eversource's utility PSNH files an agreement with Granite Shore Power to study connecting a 350 MW project. see Permits
  3. Not set
    Interconnection or service agreement: none
    The study creates no capacity reservation, construction commitment or in-service date. News report · Oct. 2026
Permits

Permits checklist

1 pending · 1 granted · 2 checked, nothing on file

Risks

What could slow it down

Money

Money on record

$175M price Granite Shore Power agreed to pay for five fossil plants in 2017, including Merrimack (closed Jan. 10, 2018; 1,130 MW in total (press)). News report · Oct. 2026

Not on record: financing, capex or incentives: no financing, capex figure or investment commitment appears in any source Analysis · Oct. 2026

Timeline

What happened, and what is due

SitePaper trailConstructionPowerPermitsMoneyLegalUpcoming
  1. Jan. 10, 2018
    Site Granite Shore Power completes its purchase of Merrimack Station from PSNH. Company · Oct. 2026
  2. March 27, 2024
    Legal Settlement with EPA, Sierra Club and Conservation Law Foundation sets an end to coal burning by June 1, 2028. News report · Oct. 2026
  3. Sept. 12, 2025
    Site The coal plant stops producing power, nearly three years early (press). News report · Oct. 2026
  4. April 23, 2026
    Power PSNH files a grid viability study agreement with Granite Shore Power for a 350 MW project. Dataset · Oct. 2026
  5. Aug. 31, 2026
    Site The state Consumer Advocate discloses that a developer is considering a data center of up to 200 MW in Bow, the first public word of the project. News report · Oct. 2026
  6. Sept. 1, 2026
    Legal Gov. Ayotte tells NH Bulletin she supports a data center moratorium for now (press). News report · Oct. 2026
  7. Sept. 22, 2026
    Site More than 100 protesters gather at the Bow selectboard meeting; the town confirms no application has been received. Local government · Oct. 2026
  8. Oct. 1, 2026
    Permits Bow's Planning Board zoning amendment review is canceled; no data center application appears on any 2026 Planning Board agenda through Oct. 15. Local government · Oct. 2026
  9. Jan. 2027
    Legal Legislative session opens; Senate Republicans plan moratorium legislation (press). News report · Oct. 2026
The buildings

Specs

Not on record: capex, financing, buildings, cooling and schedule: not disclosed Analysis · Oct. 2026

Who is involved

Owners, partners and builders

Owners
  • Granite Shore Power LLC: site owner and study requester
  • GSP Merrimack LLC: station owner-operator
  • Atlas Holdings and Castleton Commodities International: 50/50 parents of Granite Shore Power
Power
  • PSNH (Eversource): transmission owner and study provider
  • ISO New England: grid operator
Decision-makers
  • Town of Bow Planning Board: would decide any site plan
  • Bow Board of Selectmen: no decision role
Opponents and officials
  • Bow residents and 350.org petitioners
  • Gov. Kelly Ayotte
  • Consumer Advocate Donald Kreis: first disclosed the project
Still unknown

Open questions

Where this comes from

143 records from 30 documents

Drawn from news reports, state agency records, public and commercial datasets, local government records, our own analysis, court filings, company statements and securities filings, each kept with its date and source. The bar shows documents by type.

News report 15State agency 5Dataset 4Local government 2Analysis 2Court filing 2Company 1SEC filing 1
Evidence

Every quote behind this page

Grade key: A = the primary record itself (permit, filing, exhibit) · B = a dated official statement · C = news reporting. Map distances are our own measurements on OpenStreetMap and carry no grade. Allegations in lawsuits are marked as such in the quotes.

Power (42)
  • Address: 431 River Road, Bow, NH 03304
    “Granite Shore Power Merrimack LLC is authorized to discharge from a facility located at Merrimack Station, 431 River Road, Bow, NH 03304”
    State agency · Oct. 2026 · grade A
  • Jurisdiction: Town of Bow Planning Board (site plan review); no NH Site Evaluation Committee jurisdiction, a data center is not an energy facility under RSA 162-H and no generation is proposed
    “Chair McDaniel confirmed that the final decision would come from the planning board, not the Board of Selectmen”
    Local government · Oct. 2026 · grade A
  • Opposition: Organized resident opposition; 100+ protesters outside the Sep 22, 2026 selectboard meeting; petition presented to the chair
    “in addition to her comments she provided Chair McDaniel with a signed petition for 350.org”
    Local government · Oct. 2026 · grade A
  • Bow selectboard meeting: 100+ protesters outside; an hour of public comment, nearly unanimous against; the town confirms it has received no application and no communication from Granite Shore Power, and that the Planning
    “we have not seen anything, we do not have any information and it is not this board's responsibility”
    Local government · Oct. 2026 · grade A
  • Utility: Eversource - the region's utility and the viability-study counterparty; No interconnection agreement is in place
    Measured on OpenStreetMap map data.
    OpenStreetMap · Oct. 2026
  • Nearest substation of 345 kV or more: 23.153 km
    Measured on OpenStreetMap map data.
    OpenStreetMap · Oct. 2026
  • Nearest power line of 345 kV or more: 11.191 km
    Measured on OpenStreetMap map data.
    OpenStreetMap · Oct. 2026
  • Nearest gas pipeline: 2.857 km
    Measured on OpenStreetMap map data.
    OpenStreetMap · Oct. 2026
  • Legacy air record: ICIS-Air FRS 110071198058, Title V program, status Operating
    “MERRIMACK STATION; 431 RIVER RD; BOW; FRS 110071198058; Operating”
    State agency · Oct. 2026 · grade B
  • Owner companies: Granite Shore Power LLC (parent / JV); GSP Merrimack LLC (station owner-operator)
    “The defendant companies, GSP Merrimack LLC and Granite Shore Power LLC, were formed in 2017 for the purpose of purchasing Merrimack Station”
    Court filing · Oct. 2026 · grade B
  • Utility: Public Service Company of New Hampshire (PSNH) d/b/a Eversource Energy
    “PSNH submits for filing a Viability Assessment Agreement with Granite Shore Power”
    Dataset · Oct. 2026 · grade B
  • Announced: April 23, 2026
    “PSNH submits for filing a Viability Assessment Agreement with Granite Shore Power”
    Dataset · Oct. 2026 · grade B
  • Service agreement filing (viability assessment): filed
    “PSNH submits for filing a Viability Assessment Agreement with Granite Shore Power”
    Dataset · Oct. 2026 · grade B
  • Granite Shore Power completes the acquisition and takes ownership of Merrimack Station (Bow), Newington and Schiller Stations and the Groveton/Tamworth combustion turbines.
    “Granite Shore Power will now own Merrimack Station in Bow, Newington Station in Newington, Schiller Station in Portsmouth”
    Company · Oct. 2026 · grade B
  • PSNH submits the Viability Assessment Agreement with Granite Shore Power for filing at FERC, a preliminary, exploratory study of interconnecting a 350 MW project at the Merrimack Station site. Not public at the time.
    “PSNH submits for filing a Viability Assessment Agreement with Granite Shore Power”
    Dataset · Oct. 2026 · grade B
  • Aliases: Bow hyperscale data center; Merrimack Station redevelopment
    “Following reports that a former power plant property could be used for a hyperscale data center in Bow”
    News report · Oct. 2026 · grade C
  • Developer: Granite Shore Power LLC (site owner and FERC study requester); end developer undisclosed
    “at the request of Granite Shore Power, LLC, owner of Merrimack Station, a former coal-fired power plant in Bow”
    News report · Oct. 2026 · grade C
  • Acres: 400 acres
    “they would repurpose the approximately 400 acre parcel to host solar power and batteries”
    News report · Oct. 2026 · grade C
  • Site current use: Retired coal-fired power plant (Merrimack Station), ceased operations Sept. 12, 2025; site held for redevelopment
    “No public announcement was made when the plant stopped producing power on September 12, and the process of shutting down is ongoing”
    News report · Oct. 2026 · grade C
  • Utility service: 350 MW
    “The public filings describe an agreement for a preliminary, exploratory study on the viability of connecting a 350-megawatt project to the grid”
    News report · Oct. 2026 · grade C
  • Utility service: 200 MW
    “During the meeting, an Eversource executive mentioned that a developer was considering a data center project of up to 200 MW for Bow, Kreis wrote”
    News report · Oct. 2026 · grade C
  • IT capacity: not stated
    “DOCUMENTED ABSENCE: no IT-load figure appears in any source opened; the only project MW figures in the record are the 350 MW study size and the reported 200 MW developer figure”
    Analysis · Oct. 2026 · grade C
  • Stated campus size: not stated
    “DOCUMENTED ABSENCE: Granite Shore Power has published no project description or campus capacity; it did not respond to press requests for comment and no application states a campus total”
    Analysis · Oct. 2026 · grade C
  • On-site generation: not stated
    “The filings do not contain information about how the facility would be powered”
    News report · Oct. 2026 · grade C
  • Grid operator: ISO-NE
    “according to ISO-NE, which operates the regional power grid”
    News report · Oct. 2026 · grade C
  • Interconnection status: Viability study only, agreement filed at FERC April 23, 2026; no interconnection agreement, ESA or service contract exists
    “The study is an early-stage step in what could be a lengthy permitting process”
    News report · Oct. 2026 · grade C
  • Power plan: grid
    “The filings do not contain information about how the facility would be powered”
    News report · Oct. 2026 · grade C
  • Settlement announced: Granite Shore Power agrees with EPA, Sierra Club and CLF to cease coal operations at Merrimack by June 1, 2028 (June 1, 2027 in certain circumstances) and at Schiller after Dec 31, 2025, resolving t
    “Merrimack Station will cease operation of its coal-fired boilers by June 1, 2028 or under certain circumstances, June 1, 2027”
    News report · Oct. 2026 · grade C
  • GSP CEO Jim Andrews (op-ed): Merrimack Station will be redeveloped, nearly 400 acres into a clean energy center; Schiller repowered to battery storage to support offshore wind.
    “We will redevelop nearly 400 acres of land into a clean energy center for generations to come”
    News report · Oct. 2026 · grade C
  • Merrimack Station, New England's last coal plant, stops producing power, ~2.75 years ahead of the settlement deadline; GSP cites financial reasons and weighs a large solar array and utility-scale batteries. The plant h
    “Granite Shore Power cited financial reasons for its move to shutter the plant and consider installing a large solar array and utility-scale batteries”
    News report · Oct. 2026 · grade C
  • Granite Shore Power says the Merrimack Station site will become a renewable energy park (statement reported by NHPR).
    “Granite Shore Power said in October 2025 that the site would become a renewable energy park”
    News report · Oct. 2026 · grade C
  • NH Consumer Advocate Donald Kreis posts on X about an OCA / NH DOE / Eversource meeting at which an Eversource executive described developer conversations about a data center of up to 200 MW in Bow, the first public dis
    “During the meeting, an Eversource executive mentioned that a developer was considering a data center project of up to 200 MW for Bow, Kreis wrote”
    News report · Oct. 2026 · grade C
  • Source record
    “Bow Selectboard chair Kip McDaniel said at the board's Sept. 29 meeting that Bow has not since communicated with Granite Shore Power on the subject”
    News report · Oct. 2026 · grade C
  • Retired plant capacity figures in circulation for Merrimack Station conflict (502 MW nameplate in seller materials; ~460 MW unit sum; 438 MW dependable), legacy site context only; no figure enters any campus MW field. S
    “the 502 MW coal/oil-fired Merrimack power plant (commissioned in 1960)”
    News report · Oct. 2026 · grade C
  • The owner's 2024 redevelopment plan for the site was reported as about 100 MW of solar plus battery storage at Merrimack (other coverage says up to 120 MW of solar + storage), a site redevelopment concept for the retire
    “Merrimack Station is expected to host about 100 megawatts of solar and more battery storage”
    News report · Oct. 2026 · grade C
  • Eversource's stated position: it only delivers power, does not develop data centers, is obligated to respond to all developer proposals, and is concerned about large-load effects on the grid; interconnection depends on d
    “Eversource only delivers power and does not develop data centers, he wrote. We are obligated to respond to all proposals from developers”
    News report · Oct. 2026 · grade C
  • Project status: announced only - no application filed
    “Bow has not received an application for such a project or had any communication from Granite Shore Power about it, said selectboard chair Kip McDaniel”
    News report · Sept. 2026 · grade C
  • Interconnection status: Study only - FERC-filed viability assessment for a 350 MW connection at the retired Merrimack Station site; no application has been filed with the Town of Bow and no developer or tenant exists (as
    “Public records show that in April, Eversource, the state's largest utility company, had agreed to conduct a viability assessment for a 350-megawatt project on the land on behalf of the owner”
    News report · Sept. 2026 · grade C
  • Construction stage: none - announced only: as of Sep 22, 2026 the Town of Bow has received no application of any kind for a data center and Granite Shore Power has not communicated with the town (selectboard chair Kip Mc
    “Since then, Bow has not received an application for such a project or had any communication from Granite Shore Power about it, said selectboard chair Kip McDaniel”
    News report · Sept. 2026 · grade C
  • Utility service: 350 MW
    “The public filings describe an agreement for a preliminary, exploratory study on the viability of connecting a 350-megawatt project to the grid.”
    News report · Sept. 2026 · grade C
  • large load interconnection request: viability assessment agreement filed - PSNH to study interconnecting a 350 MW project at Granite Shore Power's request
    “The public filings describe an agreement for a preliminary, exploratory study on the viability of connecting a 350-megawatt project to the grid.”
    News report · Sept. 2026 · grade C
  • Utility service: 350 MW
    “in April, Eversource, the state's largest utility company, had agreed to conduct a viability assessment for a 350-megawatt project on the land on behalf of the owner”
    News report · April 2026 · grade C
Money and contracts (17)
  • Viability Assessment Agreement (interconnection study): scope
    “to study possible adverse impacts to PSNH's system and the supporting infrastructure needed to mitigate such possible impacts”
    Dataset · Oct. 2026 · grade B
  • Viability Assessment Agreement (interconnection study): termination
    “PSNH submits for filing a Viability Assessment Agreement with Granite Shore Power”
    Dataset · Oct. 2026 · grade B
  • Purchase and Sale Agreement (thermal generation assets): scope
    “PSNH has entered into two Purchase and Sale Agreements that are included with PSNH's Application – one for the sale of the Company's Thermal generation units”
    State agency · Oct. 2026 · grade B
  • PSNH files NH PUC Docket DE 17-124 application: Thermal PSA would sell Merrimack, Newington, Schiller, Lost Nation and White Lake to Granite Shore Power LLC (50-50 Atlas/CCI JV) for $175M; hydro fleet to HSE Hydro.
    “Granite Shore Power, a 50-50 joint venture between Atlas FRM LLC d/b/a Atlas Holdings LLC (Atlas) and Castleton Commodities International (CCI)”
    State agency · Oct. 2026 · grade B
  • Tenants: not stated
    “DOCUMENTED ABSENCE: no tenant is named in any source opened; the end developer itself is undisclosed — the Consumer Advocate described only an unnamed developer in conversations with Eversource”
    Analysis · Oct. 2026 · grade C
  • Tenant status: none (no tenant; end developer undisclosed)
    “New Hampshire Consumer Advocate Donald Kreis described the possible large-load facility as a data center in a tweet on Monday afternoon”
    News report · Oct. 2026 · grade C
  • Incentives: not stated
    “DOCUMENTED ABSENCE: no incentive, abatement or PILOT has been sought or granted — no application of any kind has been filed with the Town of Bow or the State of New Hampshire”
    Analysis · Oct. 2026 · grade C
  • Financing: not stated
    “DOCUMENTED ABSENCE: no financing, capex figure or investment commitment for the data center appears in any source opened for this folder”
    Analysis · Oct. 2026 · grade C
  • Viability Assessment Agreement (interconnection study): scope
    “The Viability Assessment Agreement proposes the terms and conditions under which PSNH will perform an interconnection viability study”
    News report · Oct. 2026 · grade C
  • Viability Assessment Agreement (interconnection study): scope 350 MW
    “an agreement for a preliminary, exploratory study on the viability of connecting a 350-megawatt project to the grid”
    News report · Oct. 2026 · grade C
  • Viability Assessment Agreement (interconnection study): condition
    “The study is an early-stage step in what could be a lengthy permitting process”
    News report · Oct. 2026 · grade C
  • Purchase and Sale Agreement (thermal generation assets): value 175000000 USD
    “Eversource also sold five fossil fuel plants totaling 1,130 MW to Granite Shore Power, an equal partnership of Atlas Holdings and Castleton Commodities International, for $175 million”
    News report · Oct. 2026 · grade C
  • Purchase and Sale Agreement (thermal generation assets): condition
    “Under the sale agreements, the new owners must keep the plants in service for at least 18 months”
    News report · Oct. 2026 · grade C
  • Settlement Agreement (Clean Water Act litigation): scope
    “The settlement agreement signed this morning resolves both a lawsuit brought by CLF and the Sierra Club under the Clean Water Act”
    News report · Oct. 2026 · grade C
  • Settlement Agreement (Clean Water Act litigation): cessation deadline
    “Merrimack Station will cease operation of its coal-fired boilers by June 1, 2028 or under certain circumstances, June 1, 2027”
    News report · Oct. 2026 · grade C
  • Settlement Agreement (Clean Water Act litigation): performance
    “Granite Shore Power cited financial reasons for its move to shutter the plant and consider installing a large solar array and utility-scale batteries”
    News report · Oct. 2026 · grade C
  • Tenant status: none - no developer, tenant or proposal exists beyond site owner Granite Shore Power's exploration; nothing has been submitted to the Town of Bow
    “Bow has not received an application for such a project or had any communication from Granite Shore Power about it”
    News report · Sept. 2026 · grade C
Permits and government (27)
  • Construction stage: not stated
    “we have not seen anything, we do not have any information and it is not this board's responsibility”
    Local government · Oct. 2026 · grade A
  • Stage: announced only
    “we have not seen anything, we do not have any information and it is not this board's responsibility”
    Local government · Oct. 2026 · grade A
  • NPDES permit: final permit issued
    “The EPA has issued a final National Pollutant Discharge Elimination System (NPDES) permit for Merrimack Station (Permit No. NH0001465)”
    State agency · Oct. 2026 · grade A
  • NPDES permit modification: final permit modification issued
    “This permit modification shall become effective on March 20, 2024”
    State agency · Oct. 2026 · grade A
  • Local land-use application (site plan): no application filed (documented absence)
    “Chair McDaniel confirmed that the final decision would come from the planning board, not the Board of Selectmen”
    Local government · Oct. 2026 · grade A
  • EPA Region 1 issues the new NPDES permit NH0001465 for Merrimack Station (supersedes the 1992 permit).
    “The EPA has issued a final National Pollutant Discharge Elimination System (NPDES) permit for Merrimack Station (Permit No. NH0001465)”
    State agency · Oct. 2026 · grade A
  • EPA issues the final NPDES permit modification built on the low-utilization and permanent-cessation-of-coal-combustion subcategories, the regulatory track for the plant's retirement.
    “This permit modification shall become effective on March 20, 2024”
    State agency · Oct. 2026 · grade A
  • Bow Planning Board's zoning amendment review is canceled; no data-center application appears on any 2026 Planning Board agenda through Oct 15, 2026.
    “Oct (October) 1, 2026 — Amended Sep (September) 30, 2026 1:02 PM — Planning Board Zoning Amendment Review - CANCELED”
    Local government · Oct. 2026 · grade A
  • Town of Bow Board of Selectmen: Public comment on the reported potential data center at the former Merrimack Station (item not on the agenda; chair opened the floor). Chair explained the developer process through the pla
    “Chair McDaniel confirmed that the final decision would come from the planning board, not the Board of Selectmen”
    Local government · Oct. 2026 · grade A
  • Town of Bow Planning Board: Planning Board Zoning Amendment Review, CANCELED (per town AgendaCenter). No data-center application appears on any Bow Planning Board agenda in 2026 through the Oct 15, 2026 meeting.
    “Oct (October) 1, 2026 — Amended Sep (September) 30, 2026 1:02 PM — Planning Board Zoning Amendment Review - CANCELED”
    Local government · Oct. 2026 · grade A
  • Registry status: no dc permit action legacy plant permits only
    “ECHO pulls at the plant point returned the legacy MERRIMACK STATION records only”
    State agency · Oct. 2026 · grade B
  • Generation divestiture, sale approval application: application filed
    “PSNH has entered into two Purchase and Sale Agreements that are included with PSNH's Application”
    State agency · Oct. 2026 · grade B
  • npdes: issued
    “NH0001465; GRANITE SHORE POWER MERRIMACK LLC; 431 RIVER ROAD”
    State agency · May 2020 · grade B
  • Generation divestiture, sale approval: sale approved
    “The NHPUC on November 28 approved the sale of the fossil fuel facilities to Granite Shore Power LLC”
    News report · Oct. 2026 · grade C
  • NH PUC approves the sale of PSNH's fossil facilities to Granite Shore Power LLC (Docket DE 17-124).
    “The NHPUC on November 28 approved the sale of the fossil fuel facilities to Granite Shore Power LLC”
    News report · Oct. 2026 · grade C
  • HB 1265 (2026), a one-year statewide moratorium on data center construction plus a study committee, is voted Inexpedient to Legislate in the NH House, the bill dies months before the Bow proposal becomes public.
    “The latest action on HB 1265 by the House was: Inexpedient to Legislate: MA VV 03/11/2026 HJ 7 P. 10”
    News report · Oct. 2026 · grade C
  • Gov. Kelly Ayotte, at the Rotary Club of Portsmouth: New Hampshire is not the appropriate location for a data center; the state does not have the energy for it.
    “It does not make sense at all to site a data center in New Hampshire, she said at the meeting. We don't have the energy for it”
    News report · Oct. 2026 · grade C
  • Gov. Ayotte's statement to NH Bulletin: she supports instituting a moratorium on data center construction for the time being, citing rate impacts and unknowns.
    “I will always advocate for our towns to decide what's best for them, but with too many unknowns surrounding these facilities, I think it is best for us to institute a moratorium”
    News report · Oct. 2026 · grade C
  • Senate President Sharon Carson's press release: Senate Republicans agree with Gov. Ayotte and will pursue moratorium legislation in the session opening January 2027.
    “Senate Republicans will pursue legislation to protect New Hampshire taxpayers from shouldering the costly demands of data center development”
    News report · Oct. 2026 · grade C
  • Ayotte plans to propose a statewide data center construction moratorium in her 2027 budget (HB 2 vehicle); per contemporaneous reporting it would not take effect before July 2027 unless imposed sooner by executive order.
    “She said she planned to propose a statewide data center construction moratorium in her 2027 budget”
    News report · Oct. 2026 · grade C
  • SB 439 (2026), which would have given local authorities control to regulate data center development, does not survive the session; a tabled amendment would instead have classified data centers as permitted uses by right
    “The bill did not make it out of the legislative session”
    News report · Oct. 2026 · grade C
  • HB 1722 (2026) proposes a PUC framework for large-energy-use retail facilities (20 MW+): a separate customer classification, cost-based tariffs and minimum 10-year contracts to prevent cost-shifting to other ratepayers.
    “This bill creates a regulatory framework for large-energy-use retail electricity facilities, directs the public utilities commission to develop a separate classification for such customers”
    News report · Oct. 2026 · grade C
  • Consumer Advocate Kreis, in an interview, allows that with the right rate design (peak curtailment, fixed-cost sharing) a data center could be a net benefit to all NH electric customers, a counterweight to the moratoriu
    “I think it is at least theoretically possible to design rates and terms of service that would make data centers a net benefit to all of the state's electric customers”
    News report · Oct. 2026 · grade C
  • NH Office of the Consumer Advocate / NH Department of Energy / Eversource Energy (staff meeting, as reported): During a meeting among OCA staff, NH Department of Energy personnel and Eversource employees, an Eversource e
    “During the meeting, an Eversource executive mentioned that a developer was considering a data center project of up to 200 MW for Bow, Kreis wrote”
    News report · Oct. 2026 · grade C
  • Town of Bow Board of Selectmen (date as reported by The Dartmouth): Chair Kip McDaniel stated Bow has not communicated with Granite Shore Power on the subject and has received no project application. CAVEAT: the Town of
    “Bow Selectboard chair Kip McDaniel said at the board's Sept. 29 meeting that Bow has not since communicated with Granite Shore Power on the subject”
    News report · Oct. 2026 · grade C
  • NH Consumer Advocate Don Kreis's Aug 31, 2026 post is how the project became public: an Eversource official described developer conversations about a potential 200 MW data center in Bow - the source of the lower figure i
    “New Hampshire consumer advocate Don Kreis posted on X on Aug. 31 that during a meeting with Eversource, one of the company's officials mentioned conversations with a developer about a potential 200-megawatt data center in Bow.”
    News report · Oct. 2026 · grade C
  • Bow residents spoke overwhelmingly against the project at the Sep 2026 selectboard meeting, and Gov. Ayotte supports a statewide data center construction moratorium - the project's political path is hostile even before a
    “residents from the town and neighboring communities overwhelmingly spoke out against such a plan at a selectboard meeting Tuesday.”
    News report · Sept. 2026 · grade C
Legal (1)
  • Sierra Club and Conservation Law Foundation file a Clean Water Act citizen suit over Merrimack Station's thermal discharges (D.N.H. Civil Action No. 1:19-cv-00216-JL); the case goes to a bench trial and a First Circuit a
    “In 2019, the plaintiffs, Sierra Club, Inc. and Conservation Law Foundation, Inc., two environmental organizations, filed the instant lawsuit under the citizen suit provision of the CWA”
    Court filing · Oct. 2026 · grade B
Site and other (9)
  • County: Merrimack County
    “Merrimack Station is located on River Road, in the town of Bow, Merrimack county, NH on the west bank of the Merrimack River”
    State agency · Oct. 2026 · grade A
  • County code: Merrimack County, NH (33013)
    “Merrimack Station is located on River Road, in the town of Bow, Merrimack county, NH on the west bank of the Merrimack River”
    State agency · Oct. 2026 · grade A
  • Coordinates: 43.1414, -71.4692
    “Latitude is approximately 43 08' 29'' North, and longitude approximately 71 28' 09'' West”
    State agency · Oct. 2026 · grade A
  • Site acres: 135 acres
    Measured on OpenStreetMap map data.
    OpenStreetMap · Oct. 2026
  • Name: Merrimack Station Data Center (Bow)
    “A massive data center could be headed to the town of Bow, according to Federal Energy Regulatory Commission filings”
    News report · Oct. 2026 · grade C
  • Original target date: not stated
    “DOCUMENTED ABSENCE: no COD, construction schedule or phasing has ever been stated for this campus in any source opened”
    Analysis · Oct. 2026 · grade C
  • Current target date: not stated
    “DOCUMENTED ABSENCE: no COD, construction schedule or phasing has ever been stated for this campus in any source opened”
    Analysis · Oct. 2026 · grade C
  • A separate New Hampshire proposal, a data center in Nottingham (developer Thomas Moulton), was withdrawn in May 2026 after backlash. Different town, developer and site; NOT this campus.
    “In May, a separate application for the approval to construct a data center in Nottingham, N.H., was withdrawn due to backlash”
    News report · Oct. 2026 · grade C
  • ISO-NE's current load forecast identifies a possible data center in northeast Massachusetts/Boston and no projects in New Hampshire, the Bow study is not yet a forecast project.
    “A recent version of that forecast notes a possible data center for the northeast Massachusetts and Boston area and does not identify any projects in New Hampshire”
    News report · Oct. 2026 · grade C