Electric cooperative

CoServ interconnection application

CoServ is an electric cooperative serving 310,805 residential customers in Texas (EIA-861, 2025). Applications: Own online portal (CoServ online DG application (residential PV <=50 kW DC)). Gridpol files CoServ interconnection applications for licensed installers – solar, storage and EV chargers – with single-line diagram and site plan, unlimited for $500 a month.

Get started Look up another ZIP

Process verified from CoServ’s official sources (see below). Document list and fee amount are in the DG Manual (not retrieved).

CoServ at a glance

Utility

Denton County Elec Coop, Inc

Type

Electric cooperative

EIA utility ID

5078

Residential customers

310,805 (EIA-861, 2025)

Net-metered residential customers

9,170 (EIA-861, 2025)

Service territory

6 counties in Texas

How to apply

Own online portal – CoServ online DG application (residential PV <=50 kW DC) · official link

Who submits

Contractor typically submits (receives pre-approval and notifies completion); member billed the fee. CoServ (Denton County Electric Coop) is in ERCOT but handles its own coop interconnection.

Export compensation

Net billing – DG w/Buyback Solar rate (since Feb 1, 2023)
All exports credited at avoided wholesale power cost (Nov 2026: $0.0843/kWh); credits may offset customer charge/taxes, carried forward

Review time (official)

Pre-approval or change request within 15 days; inspection within 2-4 weeks after completion notice.

Documents CoServ asks for

Interconnection application formOnline application for residential PV <=50 kW DC; otherwise paper application from DG Procedures and Guidelines Manual Gridpol prepares this.

How the CoServ process runs

Contact CoServ Energy Solutions
Submit online (or paper) application
Pre-approval within 15 days
Install; contractor e-mails completion
CoServ inspection within 2-4 weeks; meter programmed bi-directional
Operate; fee billed on next bill

Fees

Fee	Applies to	Note
	Application	Billed to member on next bill; amount in DG Manual

Utility fees are paid by the installer or customer; they are not part of the Gridpol plan.

Size levels and limits

Level	Up to	Note
Online application	50 kW	Residential solar PV, kW DC

Sources

CoServ – Solar Installations: https://www.coserv.com/energy-solutions/distributed-energy/solar/solar-installations/ (retrieved 2026-11-13)

Other utilities in Texas

All Texas utilities →

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.