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Town of Wakefield interconnection application

Town of Wakefield is a municipal utility serving 14,219 customers in Massachusetts (EIA-861, 2025). Gridpol files Town of Wakefield interconnection applications for licensed installers – solar, storage and EV chargers – with single-line diagram and site plan, unlimited for $500 a month.

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Massachusetts’s commission rule (DPU-approved uniform 'Standards for Interconnection of Distributed Generation' tariff of each distribution company (National Grid M.D.P.U. No. 1468; Eversource/NSTAR M.D.P.U. No. 55D; Unitil/FG&E M.D.P.U. No. 484); dockets incl. D.P.U. 19-55, D.P.U. 23-140) does not bind municipal utilitys; Town of Wakefield sets its own interconnection policy. We confirm its form on the first project. Municipal light plants (about 40, e.g., WGELD) are not subject to the DPU interconnection tariff or 220 CMR 18.00 and set their own interconnection and net metering policies (some use a similar simplified application).

Town of Wakefield at a glance

Utility

Town of Wakefield

Type

Municipal utility

EIA utility ID

19979

Customers

14,219 (EIA-861, 2025, short form: all customer classes)

Net-metered residential customers

none reported

Service territory

1 county in Massachusetts

Documents Town of Wakefield asks for

  • Interconnection application formFilled in by us from your project data in the utility’s portal or on its form. Gridpol prepares this.
  • Single-line diagram (one-line)Drawn by us from your equipment data: modules, strings, inverter, battery, disconnects, point of interconnection, meter. Gridpol prepares this.
  • Site plan / site layoutDrawn by us from your roof sketch or photos: array, inverter, battery, disconnect, meter and main panel locations. Gridpol prepares this.
  • PV module spec sheetManufacturer data sheet of the modules.
  • Inverter spec sheetManufacturer data sheet (string inverter, microinverter or hybrid inverter).
  • Customer signatureThe account holder signs the application or authorization. We send the signature link.
  • Recent electric billName, service address, account and meter number must match the application.
  • Final inspection sign-offApproved electrical inspection from the authority having jurisdiction after installation.

Typical documents for US utilities – not yet verified for Town of Wakefield. We confirm Town of Wakefield’s exact list on the first project.

Massachusetts interconnection rule

Commission

Massachusetts Department of Public Utilities (DPU)

Interconnection rule

DPU-approved uniform 'Standards for Interconnection of Distributed Generation' tariff of each distribution company (National Grid M.D.P.U. No. 1468; Eversource/NSTAR M.D.P.U. No. 55D; Unitil/FG&E M.D.P.U. No. 484); dockets incl. D.P.U. 19-55, D.P.U. 23-140 – Standards for Interconnection of Distributed Generation · source

Applies to

The investor-owned electric distribution companies (Eversource/NSTAR Electric, National Grid/Massachusetts Electric & Nantucket Electric, Unitil/Fitchburg Gas & Electric). Municipal light plants are not subject.

Application form

Uniform tariff exhibits: Exhibit A Simplified Process Interconnection Application (with Certificate of Completion attachment), Exhibit B Pre-Application Report form, Exhibit C Expedited/Standard application; Interconnection Service Agreement.

Timelines

All time frames in Company Business Days. Simplified (radial): acknowledgement 3 BD, completeness 10 BD, screen review (20 BD if failing screen 5), conditional approval by signed application, witness test within 10 BD of Certificate of Completion or deemed waived, Authorization to Interconnect within 5 BD. Pre-Application Report required >= 250 kW, issued within 10 BD (fee $100 <250 kW, $250 250-500 kW, $750 >500 kW).

Fees

Simplified $28; Expedited/Standard $4.50/kW (min $300, max $7,500) plus supplemental review/studies at cost; witness test actual cost up to $300 plus driving time (Table 6).

Insurance

No insurance required for facilities eligible for Class I net metering (<= 60 kW) per 220 CMR 18.03(2) (company recommends adequate insurance). Otherwise general liability: $500,000 for >10-100 kW; $1M for >100 kW-1 MW; $2M/$5M aggregate for >1-5 MW; $5M for >5 MW (tariff Sec. 11.1).

External disconnect

For Listed inverters the Company MAY require an external disconnect switch (or comparable device by mutual agreement) at the PCC, accessible at all times, gang-operated, visible break, lockable open (tariff 4.2.3.1(b)).

Export compensation

NEM – M.G.L. c. 164 §§ 138-140; 220 CMR 18.00 (Net Metering)
220 CMR 18.02: Class I <= 60 kW (any eligible generation); Class II > 60 kW to <= 1 MW and Class III > 1 MW to <= 2 MW (agricultural, anaerobic digestion, solar or wind). Subject to aggregate net metering caps (not re-read). Applies to distribution companies only.

Not bound by the rule

Municipal light plants (about 40, e.g., WGELD) are not subject to the DPU interconnection tariff or 220 CMR 18.00 and set their own interconnection and net metering policies (some use a similar simplified application).

Other utilities in Massachusetts

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Gridpol Unlimited

$500 / month

Unlimited interconnection applications. 12-month agreement, signed online. The agreement starts the day you sign; first invoice right away, then monthly.

  • Unlimited interconnection applications
  • Single-line diagram and site plan for every application
  • Pre-submission check against the utility’s requirements
  • Homeowner e-signature link for the authorization
  • Filing in your utility portal accounts or by the utility’s method
  • Utility questions, corrections and resubmissions
  • Follow-up through approval, inspection and PTO
  • Customer list, exports, API and webhooks
Get started

Applications are typically submitted within 2 business days after complete documents. Utility review times are set by each utility.

Get started – $500/month unlimited