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Electric cooperativeGreyStone Power interconnection application
GreyStone Power is an electric cooperative serving 142,841 residential customers in Georgia (EIA-861, 2025). Applications: Own online portal (GreyStone online Residential Application (formtracking) + contractor upload link). Gridpol files GreyStone Power 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 GreyStone Power’s official sources (see below).
GreyStone Power at a glance
GreyStone Power Corporation
TypeElectric cooperative
EIA utility ID7090
Residential customers142,841 (EIA-861, 2025)
Net-metered residential customers607 (EIA-861, 2025)
Service territory8 counties in Georgia
How to applyOwn online portal – GreyStone online Residential Application (formtracking) + contractor upload link · official link
Who submitsHomeowner/business completes and signs online application; contractor gets email link to upload technical documents; DG Interconnection Agreement mailed to member and must be wet-signed (no DocuSign/copies).
Export compensationNet billing – Distributed Generation Service rider
Credits at average annual avoided cost of energy ($0.02855/kWh as of rider effective date); availability until 0.2% of annual peak.
Documents GreyStone Power asks for
- Interconnection application formOnline Residential Application Gridpol prepares this.
- Site plan / site layoutUploaded by contractor Gridpol prepares this.
- Single-line diagram (one-line)One-line diagram Gridpol prepares this.
- Inverter spec sheetManufacturer data sheet (string inverter, microinverter or hybrid inverter).
- PV module spec sheetManufacturer data sheet of the modules.
- Battery spec sheet (when applicable)Back-up battery information if applicable
- Interconnection agreementOriginal wet signature required
- Final inspection sign-offFinal signed jurisdictional approval (electrical permit), emailed; no screenshots
How the GreyStone Power process runs
- Member completes and signs online application.
- Contractor uploads site plan, one-line, inverter/panel specs, battery info.
- Engineering review; contractor told installation may begin.
- DG Interconnection Agreement mailed, wet-signed by member.
- After install, email signed electrical permit approval.
- Notice of permission to interconnect issued.
Fees
| Fee | Applies to | Note |
|---|---|---|
| up to $500 | Inspection fee | Per DG Interconnection Agreement |
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 |
|---|
Systems >10 kW may require modifications and witness testing. Georgia Cogeneration and Distributed Generation Act of 2001 (O.C.G.A. 46-3-50 et seq.): EMC purchase obligation limited to residential ≤10 kW / commercial ≤100 kW, first come first served to 0.2% of prior-year peak.
Storage, EV and stamps
Battery storage
Back-up battery information uploaded with application.
Common issues the utility lists
- Screenshots of passed permits not accepted.
- DocuSigned or copied agreements not accepted.
Gridpol’s pre-submission check covers these before we file.
Sources
- GreyStone Power - Rooftop Solar: https://greystonepower.com/rooftopsolar (retrieved 2026-11-13)
- GreyStone Process for Interconnection: https://www.greystonepower.com/sites/default/files/documents/Process%20for%20Interconnection%20Revised.pdf (retrieved 2026-11-13)
- GreyStone Distributed Generation Service rider: https://www.greystonepower.com/sites/default/files/PDF/Rates/010522/Distributed%20Generation%20Service.pdf (retrieved 2026-11-13)
- GreyStone DG Facility Interconnection Agreement: https://forms.greystonepower.com/forms/images/Interconnection%20Agreement.pdf (retrieved 2026-11-13)
Other utilities in Georgia
- Georgia Power2,480,484
- Jackson EMC245,849
- Cobb EMC203,131
- Sawnee EMC182,849
- Walton EMC133,581
- Snapping Shoals El Member Corporation106,304
- North Georgia Electric Member Corporation90,932
- Flint Electric Membership Corporation85,358
- Coweta-Fayette El Member Corporation83,660
- Colquitt Electric Membership Corporation66,177
$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.