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FirstLight Data Center

OperatingEst.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Oct 12, 2026.UnclassifiedSitePortland, Cumberland County, Maine

FirstLight Data Center is an operating data center in Portland, Maine. Operated or owned by FirstLight. Power capacity has not been disclosed or collected yet. Verification: unverified. 6 cited sources.

30% profile completeness
14 claims from 6 sources
Last verified against sources: Oct 12, 2026
Newest dated evidence: Oct 12, 2026
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Cite this
Text
Datacenter Source. “FirstLight Data Center.” /facilities/firstlight-data-center-portland-me. Data as of 2026-10-12. Accessed 2026-10-12.
BibTeX
@misc{datacentersource_firstlight_data_center_portland_me_2026,
  title = {{FirstLight Data Center}},
  author = {{Datacenter Source}},
  year = {2026},
  howpublished = {\url{/facilities/firstlight-data-center-portland-me}},
  note = {Data as of 2026-10-12; accessed 2026-10-12. Compiled from cited sources, including OpenStreetMap contributors (ODbL) and Epoch AI (CC BY 4.0)},
}

Please also cite the original source of any specific figure (linked beside it).

Current facility power
Not yet sourced
Planned capacity
Not yet sourced
Floor area
Not yet sourced
Buildings (planned)
Not yet sourced
Capital cost / investment
Not yet sourced
First operational
Not yet sourced

POWER & GRID

Time-to-power · verification · interconnection
Time to power
Operating (community-mapped, unverified)
Low confidence
Project verification
Unverified
Evidence is limited to community map.
Current stage
Operational
Furthest stage with documented evidence
Utility · ISO
Central Maine Power CO · ISO-NE
Substation: Unnamed substation (nearest, unverified)

Power reality

Announced
No record
Interconnection request
No record
Contracted / approved
No record
Under construction
No record
Operational
No record
AI evidence brief
Summarizes only the evidence on this page. Answers citing anything else are rejected automatically.

Project verification

Development
  1. Announcedimplied by a later stage
  2. Land acquiredimplied by a later stage
  3. Planning / zoningimplied by a later stage
  4. Permittingimplied by a later stage
Grid interconnection
  1. Interconnection application
  2. Feasibility study
  3. System impact study
  4. Facilities study
  5. Interconnection agreement / service contract
Build & energization
  1. Financing
  2. Under constructionimplied by a later stage
  3. Energizationimplied by a later stage
  4. OperationalOct 12, 2026
    Community map
    • Oct 12, 2026 · Reported status: operating[1]

● documented · ◌ implied by a later stage · ○ no evidence found. Dates are those of the earliest dated evidence, which can be later than when a stage actually began. Evidence classes: Community map.

Grid path

  1. facility
    FirstLight Data Center
  2. substation
    Unnamed substation[1]
    Proximity onlyUnverified
    Nearest mapped substation, 0.54 km away. Proximity does not establish that it serves the site.
  3. transmission
    115 kV line[1]
    Proximity onlyUnverified
    Highest-voltage line mapped within 2 km (1.75 km away). Not confirmed as the supply path.
  4. utility
    Central Maine Power CO[2]
    Service territoryLikely
    Retail service territory containing the site
  5. ISO / RTO
    ISO-NE[3]
    Service territoryLikely
    Balancing authority: ISNE
Substation capacity:
not published
Required upgrades:
not yet sourced
Congestion:
not yet sourced (no nodal price data)

Dashed boxes are based on proximity only and do not establish which asset serves the site.

Interconnection records

No interconnection-queue record is linked to this site. Of the ISOs we ingest, only NYISO publishes large-load requests; PJM, ERCOT, MISO, SPP and CAISO queues list generation only.

On-site & dedicated generation

No on-site, behind-the-meter or dedicated generation found in sources.

LOCAL IMPACT

Water · generation · incentives · regulation · rates

Water & cooling

Not yet collected: we haven't found a source for water use or the cooling type at this site. Know one? Add a source

On-site generation & air permits1

  • Air permit ME000A001138[6]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record.
    Synthetic Minor Emissions · Operating · No Violation Identified · Programs: State Implementation Plan

    ECHO lists “CADC PORTLAND 340, LLC” at 340 CUMBERLAND AVE, PORTLAND, 18 m from this facility's mapped location (matched by location; the permit name doesn't identify the operator).

Incentives

Not yet collected: we haven't found a source for tax abatements, PILOTs or other incentives for this project. Know one? Add a source

Regulatory events

Not yet collected: we haven't found a source for hearings, rezonings, permits or commission proceedings. Know one? Add a source

Utility & rates

Not yet collected: we haven't found a source for a large-load tariff or commission docket for Central Maine Power CO. Know one? Add a source

Location & imagery

Street address
Coordinates
43.65784, -70.26138
Address
340 Cumberland Avenue, Unit 7, Portland, ME 04101[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Oct 12, 2026.Likely
County
Cumberland County
Photographs

No openly licensed ground-level photos matched to this site yet.

Ownership, operation & customers

  1. 1. Property owner of record
    Not identified
  2. 2. Owner / developer
    Not identified
  3. 3. Operator
    FirstLight(unreviewed)[1]Likely
  4. 4. Tenant / cloud
    Not identified
  5. 5. End customer / workload
    Not identified
Power supply
Utility:
Central Maine Power CO(unreviewed)[2]Likely

Each link is sourced separately. The property owner of record is often a special-purpose entity; the same company appearing in two roles is shown only when sources say so.

All parties with evidence
Operator
Utility
Central Maine Power CO(unreviewed)[2]Likely

Location falls inside this utility's retail service territory.

No tenants or end users identified in our sources yet.

Power (all fields)

Current facility power
Not yet sourced
Planned capacity
Not yet sourced

Capacity figures are nameplate or contracted; annual consumption is a labeled model estimate, not metered data.

Grid & electricity

ISO / RTO
ISO-NE[3]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Likelyderived

Location falls inside this ISO/RTO footprint.

Balancing authority
ISNE[2]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure.Likelyderived

Control area of the containing utility territory.

Nearest mapped substation
Unnamed substation[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Sep 28, 2026.Likelyderived

Nearest substation mapped in OpenStreetMap; proximity does not establish which substation serves the site.

Distance to substation
0.5 km[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Sep 28, 2026.Likelyderived
Highest-voltage line nearby
115 kV[1]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Sep 28, 2026.Likelyderived

Highest-voltage transmission line mapped within 2 km.

State avg. industrial price
13.94¢/kWh[4]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. As of Jul 2026.Confirmed

Maine statewide average, July 2026.

State avg. commercial price
21.64¢/kWh[4]ConfirmedBacked by a filing, deed, permit, interconnection-queue record, or a government or utility record. As of Jul 2026.Confirmed

Maine statewide average, July 2026.

Generation within 50 km
1.73 GW[5]Est.Modeled, measured from satellite imagery, inferred from community mapping, or computed by this site. Not a disclosed figure. As of Jan 1, 202502.Confirmedderived

37 EIA-reported plants within 50 km.

Interconnection status
Not yet sourced
Contracted / committed power
Not yet sourced
Nearby infrastructureTypeDistanceVoltage / capacitySource
115 kV line · Central Maine Power CompanyTransmission line1.75 km115 kV[1]
Pleasant Hill - Hinckley Pond - Cape Steam 115kV transmission line · Central Maine Power CompanyTransmission line1.78 km115 kV[1]
Cape Gas Turbine · FPL Energy Cape LLCPower plant (Petroleum)1.7 km32 MW[5]
S D Warren Westbrook · Relevate Power Management LLCPower plant (Biomass)8 km64 MW[5]
Westbrook Energy Center Power Plant · Westbrook Energy CenterPower plant (Natural Gas)9.1 km527 MW[5]
William F Wyman Hybrid · FPL Energy Wyman LLCPower plant (Petroleum)13.3 km827 MW[5]
Skelton · Brookfield White Pine Hydro LLCPower plant (Hydroelectric)25.8 km22 MW[5]
Brunswick Hydro · Brookfield White Pine Hydro LLCPower plant (Hydroelectric)37.5 km20 MW[5]
Sanford Solar · Sanford Airport Solar, LLCPower plant (Solar)47.4 km49 MW[5]
Charles E Monty · Brookfield White Pine Hydro LLCPower plant (Hydroelectric)49.2 km28 MW[5]
Unnamed substationSubstation0.54 km—[1]
Cape Steam Substation · Central Maine Power CompanySubstation1.76 km115 kV[1]
Fore River Maine Substation · Central Maine Power CompanySubstation2.07 km115 kV[1]
Sewall Substation · Central Maine Power CompanySubstation2.54 km115 kV[1]

Utility, ISO and nearby assets are derived from the site's location. Proximity to a substation or line doesn't establish the interconnection; that needs a utility filing or interconnection-queue record. Queue requests are applications, not commitments — most never reach operation.

Construction & permitting

  1. Announced
    —
  2. Land acquired
    —
  3. Permitting
    —
  4. Construction start
    —
  5. First operational
    —
  6. Expected completion
    —

Real estate

Official assessments
Assessor's value for a tax year

None sourced yet

Recorded transactions
Sale prices from recorded deeds

None sourced yet

Model estimates
Our model — not an appraisal

None sourced yet

Annual property tax
Not yet sourced

No county parcel or assessor records linked yet. County records are currently ingested for Loudoun County, VA and Maricopa County, AZ.

Size

Floor area
Not yet sourced

What changed (last 3 years)

Follow this facility (RSS)

No tracked changes yet. Values are recorded on every data refresh, so changes will appear here over time.

Timeline

No dated events sourced yet.

All claims (provenance audit)

14
FieldValueSourceConfidenceAs ofStatus
NameFirstLight Data Centernode/7171975407 name=FirstLight Data Center[1] Likely2026-10-12Shown
StatusOperating[1] derivedUnverified2026-10-12Shown
Websitehttps://www.firstlight.net/products/data-center/portland-me-data-center/[1] Likely2026-10-12Shown
Address340 Cumberland Avenue, Unit 7, Portland, ME 04101[1] Likely2026-10-12Shown
OperatorFirstLightoperator=FirstLight[1] Likely2026-10-12Shown
UtilityCentral Maine Power COterritory 3266: CENTRAL MAINE POWER CO (INVESTOR OWNED, IBERDROLA USA INC)[2] derivedLikely2022Shown
ISO / RTOISO-NEISO NEW ENGLAND INC.[3] derivedLikely—Shown
Balancing authorityISNE[2] derivedLikely—Shown
Nearest mapped substationUnnamed substationway/1528003096[1] derivedLikely2026-09-28Shown
Distance to substation0.5 km[1] derivedLikely2026-09-28Shown
Highest-voltage line nearby115 kV[1] derivedLikely2026-09-28Shown
State avg. industrial price13.94¢/kWh[4] Confirmed2026-07Shown
State avg. commercial price21.64¢/kWh[4] Confirmed2026-07Shown
Generation within 50 km1.73 GW[5] derivedConfirmed202502Shown