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Electric cooperativeEast Central Oklahoma Electric Cooperative Inc. interconnection application
East Central Oklahoma Electric Cooperative Inc. is an electric cooperative serving 33,788 residential customers in Oklahoma (EIA-861, 2025). Gridpol files East Central Oklahoma Electric Cooperative Inc. 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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Oklahoma’s interconnection rule (OAC 165:40 (Standard Terms of Purchases from Producers of 300 kW or Less), esp. Subch. 5 Installation and Parallel Operation (165:40-5-1 to 5-32); OAC 165:35-29-2 (Parallel operation of generation facilities)) applies to East Central Oklahoma Electric Cooperative Inc.. Levels, timelines and documents below come from that rule; East Central Oklahoma Electric Cooperative Inc.’s own form and portal are confirmed on the first project.
East Central Oklahoma Electric Cooperative Inc. at a glance
East Central Oklahoma Elec Coop Inc
TypeElectric cooperative
EIA utility ID5598
Residential customers33,788 (EIA-861, 2025)
Net-metered residential customers242 (EIA-861, 2025)
Service territory9 counties in Oklahoma
Wholesale supplier / associationWestern Farmers Electric Cooperative
Documents East Central Oklahoma Electric Cooperative Inc. asks for
- Interconnection application formRequired by the state rule Gridpol prepares this.
- PV module spec sheetRequired by the state rule
- Inverter spec sheetRequired by the state rule
- Interconnection agreementRequired by the state rule
- Other utility-specific documentRequired by the state rule
Documents required by the Oklahoma rule. East Central Oklahoma Electric Cooperative Inc. may ask for more on its own form; we confirm on the first project.
Oklahoma interconnection rule
Rule text read via Cornell LII; official rules.ok.gov not checked. No Level-based interconnection standard, timelines or insurance figures found (Part 7 liability sections 165:40-3-30/31 not read). Statutory DG provisions (17 O.S. §156) not checked (search budget exhausted).
Oklahoma Corporation Commission (OCC)
Interconnection ruleOAC 165:40 (Standard Terms of Purchases from Producers of 300 kW or Less), esp. Subch. 5 Installation and Parallel Operation (165:40-5-1 to 5-32); OAC 165:35-29-2 (Parallel operation of generation facilities) – Standard Terms of Purchases from Purchasers of 300 kW or Less / Parallel operation · source
Applies toOCC-regulated 'cooperative/utility' = electric distribution cooperatives and investor-owned utilities (OG&E, PSO, Empire/Liberty) for PURPA producers <=300 kW (OAC 165:40-1-2). 165:35-29-2: parallel operation requires utility's prior written approval; agreements submitted to OCC. Municipal utilities not covered.
Application formNo statewide application form or level structure; utility/coop application with equipment specifications (165:40-5-8) and Commission-approved purchase agreement (165:40-9-2).
FeesInterconnecting party pays costs beyond normal service terms (165:35-29-2(c)); no fee caps in rule.
External disconnectProducer must install, own and maintain a disconnecting device at a location accessible to cooperative/utility personnel at all times (OAC 165:40-5-11).
Export compensationNEM – OAC 165:40-9 (Optional Net Energy Billing Purchase Rate)
Optional net energy billing for producers <=300 kW: meter runs in reverse within monthly period; monthly net excess credited/paid next period at utility's avoided energy cost (no stated expiry); systems >125% of peak load may be excluded and paid under QF tariff.
OCC-regulated electric cooperatives are bound by OAC 165:40 like IOUs. Municipal utilities are outside OCC jurisdiction and set their own interconnection and net metering policies.
- OAC 165:40 (LII): https://www.law.cornell.edu/regulations/oklahoma/title-165/chapter-40 (retrieved 2026-11-13)
- OAC 165:40-9-2: https://www.law.cornell.edu/regulations/oklahoma/OAC-165-40-9-2 (retrieved 2026-11-13)
- OAC 165:40-9-3: https://www.law.cornell.edu/regulations/oklahoma/OAC-165-40-9-3 (retrieved 2026-11-13)
- OAC 165:40-5-11: https://www.law.cornell.edu/regulations/oklahoma/OAC-165-40-5-11 (retrieved 2026-11-13)
- OAC 165:35-29-2: https://www.law.cornell.edu/regulations/oklahoma/OAC-165-35-29-2 (retrieved 2026-11-13)
Other utilities in Oklahoma
- OG&E716,295
- PSO506,245
- Oklahoma Electric Cooperative Inc.59,539
- City of Edmond39,944
- Northeast Oklahoma Electric Company38,163
- Verdigris Valley Electric Cooperative Inc.35,514
- Lake Region Electric Cooperative, Inc.25,042
- Canadian Valley Electric Cooperative, Inc.24,981
- CKenergy Electric Cooperative22,775
- Choctaw Electric Cooperative Inc.21,697
$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
Applications are typically submitted within 2 business days after complete documents. Utility review times are set by each utility.