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Municipal utility

City of Hearne interconnection application

City of Hearne is a municipal utility serving 2,507 customers in Texas (EIA-861, 2025). Gridpol files City of Hearne 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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Texas’s commission rule (16 TAC §25.211 (Interconnection of On-Site Distributed Generation) and §25.212 (Technical Requirements)) does not bind municipal utilitys; City of Hearne sets its own interconnection policy. We confirm its form on the first project. Municipal utilities and electric cooperatives are not bound by §25.211/§25.212 (except coop gas-DG under (o)) and set their own interconnection and net metering/buyback policies.

City of Hearne at a glance

Utility

City of Hearne

Type

Municipal utility

EIA utility ID

8359

Customers

2,507 (EIA-861, 2025, short form: all customer classes)

Net-metered residential customers

none reported

Service territory

1 county in Texas

Documents City of Hearne 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 City of Hearne. We confirm City of Hearne’s exact list on the first project.

Texas interconnection rule

Commission

Public Utility Commission of Texas (PUCT)

Interconnection rule

16 TAC §25.211 (Interconnection of On-Site Distributed Generation) and §25.212 (Technical Requirements) – Interconnection of On-Site Distributed Generation (DG) · source

Applies to

Electric utilities under PUCT jurisdiction (incl. ERCOT transmission & distribution utilities such as Oncor, CenterPoint, AEP Texas, TNMP and non-ERCOT IOUs). Electric cooperatives only via §25.211(o) (distributed natural gas generation); municipal utilities not addressed.

Application form

Commission-prescribed statewide application for interconnection and parallel operation (§25.211(q) figure) and prescribed interconnection agreement (§25.211(p)); utility must file DG tariff on prescribed form (§25.211(d)). Customer must submit application and execute agreement on these forms before interconnecting (§25.211(e)(5)).

Timelines

Pre-certified: interconnect within 4 weeks of complete application; others 6 weeks; if substantial upgrades, within 2 weeks after upgrades complete (§25.211(m)); pre-interconnection studies <=4 weeks.

Fees

No separate application fee in rule; study fees in utility DG tariff; no study fee for pre-certified <=500 kW meeting (g)(1) or network inverter <20 kW; no distribution/O&M/transmission charges for exported energy (§25.211(d)).

External disconnect

§25.212(b)(8): manual disconnect accessible to utility personnel, lockable open, with visible break; no small-inverter waiver in rule text, but parties may agree otherwise or seek good-cause exception (§25.212(a)(4)).

Export compensation

None statewide – 16 TAC §25.242(h) (QF purchase arrangements, integrated IOUs only)
No statewide net metering mandate found for ERCOT competitive areas; export compensation is set by retail electric providers. For integrated (non-unbundled) IOUs, §25.242(h) provides standard-rate purchase of QF output <=100 kW; single forward/backward meter option for renewable QFs <=50 kW closed to contracts after 2008-12-31. §25.242 excludes munis, river authorities, coops.

Not bound by the rule

Municipal utilities and electric cooperatives are not bound by §25.211/§25.212 (except coop gas-DG under (o)) and set their own interconnection and net metering/buyback policies.

Other utilities in Texas

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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