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Electric cooperative

DEMCO interconnection application

DEMCO is an electric cooperative serving 111,329 residential customers in Louisiana (EIA-861, 2025). Applications: PDF + email (Standard Interconnection Agreement for Net Metering Facilities to solarapp@demco.org). Gridpol files DEMCO 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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Process verified from DEMCO’s official sources (see below). Fees and storage rules not published.

DEMCO at a glance

Utility

Dixie Electric Membership Corp

Type

Electric cooperative

EIA utility ID

5202

Residential customers

111,329 (EIA-861, 2025)

Net-metered residential customers

1,369 (EIA-861, 2025)

Service territory

7 counties in Louisiana

How to apply

PDF + email – Standard Interconnection Agreement for Net Metering Facilities to solarapp@demco.org · official link

Who submits

Licensed installer/solar vendor submits before installing; Energy Services Coordinator communicates with vendor; member receives release-to-operate e-mail.

Export compensation

Net billing – LPSC Net Metering General Order (R-33929, 2019) – avoided cost
Excess credited at avoided cost $0.03847/kWh (Mar 1, 2026 - Feb 28, 2027), updated each March

Documents DEMCO asks for

  • Interconnection application formStandard Interconnection Agreement for Net Metering Facilities (application) Gridpol prepares this.
  • Single-line diagram (one-line)Accurate detailed one-line from generation equipment to point of interconnection Gridpol prepares this.
  • Site plan / site layoutSite map showing location of all components Gridpol prepares this.
  • Final inspection sign-offParish permit + final electrical inspection; inspector signs Section 4 Item 1 of agreement or Final Inspection Certificate; parish sends final permit to DEMCO
  • UL 1741 / IEEE 1547 certificationInverters IEEE 1547 and UL 1741 listed

How the DEMCO process runs

  1. Installer obtains parish permit
  2. Submit agreement, one-line and site map to solarapp@demco.org before installing
  3. Energy Services Coordinator approves and notifies vendor
  4. Install; parish final inspection; parish sends final permit to DEMCO
  5. DEMCO on-site inspection with installer
  6. Pass: meter reprogrammed, net metering set up, release-to-operate e-mail to vendor and member; fail: vendor told reason

Size levels and limits

LevelUp toNote
Net metering100 kWGenerating power no more than 100 kW
Net metering cap100 kW

Common issues the utility lists

  • Installation without notifying DEMCO → system disconnection
  • AC disconnect not UL-listed visible-break, lockable, labeled, exterior within 5 ft of DEMCO meter and accessible

Gridpol’s pre-submission check covers these before we file.

Sources

Other utilities in Louisiana

All Louisiana 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.

Get started – $500/month unlimited