Utility interconnection, done for you. Unlimited.
We prepare, draw and file your interconnection applications with any US utility – single-line diagram and site plan included – and follow them up to PTO. $500 a month, unlimited.
Get started See sample drawings
- Unlimited applications
- SLD + site plan included
- Filed in your name
- 2,906US distribution utilities in our database (all of them)
- 149with a utility-specific process confirmed from official sources
- 52states and territories with their interconnection rule on file
- $500a month, unlimited applications
Utilities and service territories: U.S. EIA Form 861 (2025 data); 100.0 % of ZIP codes mapped (U.S. Census 2020 relationship file). Utilities without a confirmed process are covered by their state’s rule or association policy where one applies; their own form is confirmed on the first project.
Which utility serves your next job?
Enter the ZIP code. We show the utility, how it takes applications and which documents it wants.
Solar, storage, solar + storage, EV chargers.
Solar PV
Residential and small commercial PV under the utility’s simplified or standard process, incl. net metering or net billing enrollment.
Battery storage
Standalone or paired storage with the operating mode the utility asks for: backup only, self-consumption, non-export or export.
Solar + storage
One application with PV and storage, AC- or DC-coupled, with the combined nameplate and export settings.
EV chargers
Load letters or service upgrade requests where the utility documents a process for EV charging equipment.
Single-line diagram and site plan, in your name.
From your equipment and panel data we draw a clean single-line diagram – array, strings, rapid shutdown, inverter, battery, disconnects, point of connection, meter – and a site plan with every equipment location. Your company and license in the title block.
Four steps. You install, we handle the utility.
Add the project
Homeowner, address and ZIP – we find the utility. Equipment, panel data, bill and spec sheets.
We check and draw
Pre-submission check against the utility’s list. Single-line diagram and site plan in your name.
Homeowner signs
One link for the authorization. You see when it is signed.
We file and follow up
In your utility portal account. Questions, corrections, approval, inspection, PTO.
- Received
- Missing info
- Ready to submit
- Submitted
- Approved to install
- Install complete
- Inspection
- PTO granted
- Account holder name matches the homeowner.
- NEC 705.12 120 % rule met: 200 A + 40 A ≤ 240 A.
- No electric bill uploaded – we use it to match account and meter number.
- Battery operating mode is missing (backup, self-consumption, export).
- System size 8.2 kW DC / 7.6 kW AC.
Checked before it goes to the utility.
Every project runs through a pre-submission check: signature, name and address against the bill, account and meter number, equipment versus drawing, size limits of the utility, the NEC 705.12 busbar rule and the storage operating mode.
Your license. Your portal accounts. Our paperwork.
Gridpol is a paperwork and submission service, not an electrical contractor. We do not install, design for construction or sign as the contractor. Every application is filed in the name of the licensed installer, with the installer’s license number, and in the customer’s name as the utility account holder. We act only as the installer’s authorized representative, using the installer’s utility portal accounts and the customer’s signed authorization where the utility requires it.
Credential vault
Portal logins encrypted, never shown again, every access logged.
Homeowner e-signature
Authorization signed online with time, IP and document hash.
Deadlines and reminders
Follow-ups by status, so nothing sits in a utility queue.
API and webhooks
Projects and status changes in your own systems.
One plan. Unlimited applications.
$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.
Interconnection processes for 2,906 utilities
Questions
Do I need a license, or do you?
Gridpol is a paperwork and submission service, not an electrical contractor. We do not install, design for construction or sign as the contractor. Every application is filed in the name of the licensed installer, with the installer’s license number, and in the customer’s name as the utility account holder. We act only as the installer’s authorized representative, using the installer’s utility portal accounts and the customer’s signed authorization where the utility requires it. Your license number goes on the application; we never file under our own name.
What does “unlimited” mean?
Every interconnection application for your customers is included for $500 a month: new PV, storage, PV + storage, system changes that need a new application, and EV charger requests where the utility has a process. No per-project fees from us.
Which utilities do you work with?
Any US utility that accepts interconnection applications. Our database lists all 2,906 distribution utilities from EIA Form 861 (2025), including small cooperatives and municipal utilities, and maps 100.0 % of ZIP codes to them. For 149 utilities the process is confirmed from their own official sources. For the others we work from the state commission’s interconnection rule or the association policy that applies, and confirm the utility’s own form on the first project – what we learn goes back into the database.
Do you make the single-line diagram and site plan?
Yes. You enter the equipment (modules, strings, inverter or microinverters, battery, charger), main panel busbar and breaker, connection method and where the equipment goes, and upload a roof sketch or photos. We draw the single-line diagram and a site plan with your company and license in the title block. They are interconnection drawings, not a permit plan set, and they are not PE-stamped.
How fast do you submit?
Applications are typically submitted within 2 business days after complete documents. We do not promise utility approval times – each utility’s tariff and workload decide those.
How do you get into my utility portals?
You save your portal logins in your account’s credential vault. They are encrypted (AES-256-GCM), never shown again after saving, and every time our team opens one it is logged with date, person and project. You can delete them anytime.