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Investor-owned utilityVersant Power interconnection application
Versant Power is an investor-owned utility serving 137,839 residential customers in Maine (EIA-861, 2025). Applications: Own online portal (Adobe Sign e-sign application (Level 1 / Levels 2-4)). Gridpol files Versant 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 Versant Power’s official sources (see below).
Versant Power at a glance
Versant Power (ENMAX Corporation)
TypeInvestor-owned utility
EIA utility ID1179
Residential customers137,839 (EIA-861, 2025)
Net-metered residential customers2,487 (EIA-861, 2025)
Service territory6 counties in Maine
How to applyOwn online portal – Adobe Sign e-sign application (Level 1 / Levels 2-4) · official link
Who submitsApplicant/developer (checklist has 'Developer Authorized Signature' and G-number); customer signs IX agreements. Inquiries dginterconnections@versantpower.com.
Export compensationNet billing – Net Energy Billing (MPUC Chapter 313) - CNEBA
kWh or dollar bill credits
Pre-application report 15 business days. Checklist: wait 10 BD before requesting screening update; signed IX agreements due within 30 BD; line construction completion notice within 30 BD (longer if minor modifications). Utility covers first $5,000 of Level 1 upgrades (Ch. 324).
Documents Versant Power asks for
- Site plan / site layout (optional)Recommended for Level 1 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.
- Interconnection application formLevel 1 interconnection application Gridpol prepares this.
- Net metering / net billing agreementCustomer Net Energy Billing Agreement (CNEBA) application
- Inverter spec sheetManufacturer data sheet (string inverter, microinverter or hybrid inverter).
- UL 1741 / IEEE 1547 certificationInverter certificate of compliance, UL 1741 SB
- PV module spec sheetManufacturer data sheet of the modules.
- Battery spec sheet (when applicable)ESS form if storage; Export Control Form if export-limited
- Interconnection agreementSigned IX agreements returned within 30 business days with cost-sharing fee
- Final inspection sign-offCertificate of Completion signed by Master Electrician (residential) or Maine State Electrical Inspector
How the Versant Power process runs
- Submit Level 1 application (Adobe Sign) with documents, application fee and separate $40 ombudsman fee.
- Intake specialist confirms complete or lists missing items; screening start notice.
- Screens 7A/7E/7I pass/fail; additional review offered on failure.
- Planner site visit; service entrance must meet standards before PTO.
- Utility sends IX agreements, upgrade estimate/invoice; customer returns signed agreements + $150 cost-sharing fee within 30 BD.
- Construct; submit Certificate of Completion signed by Master Electrician or State Electrical Inspector.
- Line construction/meter work (30 BD).
- Utility returns signed Certificate of Completion and formal Permission to Operate; do not energize before.
Fees
| Fee | Applies to | Note |
|---|---|---|
| $100 | Level 1 application | |
| $150 | Level 1 cost-sharing fee | Paid with signed IX agreement |
| $40 | Interconnection Ombudsman fee (all levels) | Separate payment, required for completeness (eff. 12/11/2024) |
| $100 + $2/kW | Level 2 | |
| $100 + $3/kW | Level 3 | |
| $3,000 | Level 4 |
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 |
|---|---|---|
| Level 1 | 25 kW | Certified inverter-based |
| Level 2 | 2000 kW | Certified, passes screens |
| Level 3 | 10000 kW | No export beyond PCC |
| Level 4 | All others, non-FERC |
MPUC Chapter 324
Storage, EV and stamps
Battery storage
ESS form required if storage; Export Control Form and Navigation Guide for export-limited systems.
PE stamp
Not stated for Level 1. – PE-stamped drawings are not included in Gridpol.
Common issues the utility lists
- Application incomplete without application fee AND separate ombudsman fee
- Service entrance/customer equipment not up to standard must be corrected before PTO
Gridpol’s pre-submission check covers these before we file.
Sources
- Versant Power - Distribution Interconnection Process: https://versantpower.com/energy-solutions/clean-energy/distribution-interconnection-process (retrieved 2026-11-13)
- Versant Power - Level 1 Developer Requirements & Checklist (10-20-25): https://www.versantpower.com/docs/default-source/interconnection/developer-checklist-level-1-10-20-25.pdf (retrieved 2026-11-13)
$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.