Investor-owned utility

PECO interconnection application

PECO is an investor-owned utility serving 1,538,993 residential customers in Pennsylvania (EIA-861, 2025). Applications: Own online portal (Connect-The-Grid). Gridpol files PECO 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 PECO’s official sources (see below). Storage-specific form not found on PECO pages; EV charger process not documented.

PECO at a glance

Utility

PECO Energy Co (Exelon)

Type

Investor-owned utility

EIA utility ID

14940

Residential customers

1,538,993 (EIA-861, 2025)

Net-metered residential customers

24,549 (EIA-861, 2025)

Service territory

6 counties in Pennsylvania

How to apply

Own online portal – Connect-The-Grid · official link

Who submits

Typically contractor completes and submits on behalf of customer; customer may apply directly. Email applications no longer accepted.

Export compensation

NEM – Rate RS-2 Net Metering
Apply for net metering via the interconnection application; alternative suppliers not obligated to credit excess

Review time (official)

PECO brochure (business days): Level 1 ~25 days, Level 2 ~30 days, Level 3 varies, Level 4 <10 kW 30 days / <50 kW 35 days; 52 Pa. Code Ch. 75 governs.

Documents PECO asks for

Interconnection application forminterconnection application (Level 1 <=10 kW or Level 2-4) Gridpol prepares this.
Other utility-specific documentService and meter form
PV module spec sheetspecifications of system type and output
Inverter spec sheetManufacturer data sheet (string inverter, microinverter or hybrid inverter).
Single-line diagram (one-line) (when applicable)PECO publishes typical single line diagrams Gridpol prepares this.
Final inspection sign-offthird-party electrical inspection certificate sent to PECO
Other utility-specific documentcertificate of work completion
Photos (meter, main panel, equipment)photo of the meter setup
Other utility-specific document (when applicable)municipal construction permit (installer must obtain before work); Virtual Meter Aggregation application

How the PECO process runs

Customer hires installer; installer submits interconnection application with system specifications and pays fee in Connect-The-Grid
PECO engineers analyze local equipment/voltage and offer options if issues
If upgrades required, PECO provides construction agreement with cost estimate; installer signs and pays
PECO issues Approval to Install notice
Installer obtains municipal construction permit and installs
Third-party inspection service issues electrical inspection certificate to PECO
Installer provides certificate of work completion and photo of meter setup
PECO schedules bi-directional meter installation
PECO issues Permission to Operate letter; only then system may be activated

Fees

Fee	Applies to	Note
$100	Level 1 (certified inverter <=10 kW)
$250 + $1/kW	Level 2 (certified inverter <=2,000 kW)	extra engineering review up to $100/hr
$350 + $2/kW	Level 3 and Level 4	study engineering up to $100/hr

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	10 kW	certified inverter-based
Level 2	2000 kW	certified inverter-based
Level 3	2000 kW	non-certified/non-inverter
Level 4	5000 kW	non-export (reverse power relay) or not meeting L1/L2; contact PECO near 2,000 kW+
Net metering cap	50 kW

NEM: residential <=50 kW, non-residential <=3,000 kW; leased systems limited to 110% of annual usage. Yellow Book (<=50 kW) and Gray Book (>50 kW) technical requirements.

Common issues the utility lists

Applications without payment are not entered into the review process

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

Sources

PECO Smaller Generators: https://www.peco.com/smart-energy/my-green-power-connection/developers-contractors/smaller-generators (retrieved 2026-11-13)
PECO Net Metering/Interconnection Application Fees: https://www.peco.com/cdn/assets/v3/assets/blt1b5616c79bacadb4/bltff7c5c1ad276014c/64ca5289241e88fd7dcb3507/summaryoffeesrev1.pdf (retrieved 2026-11-13)
PECO Interconnection Brochure 2024: https://azure-na-assets.contentstack.com/v3/assets/blt1b5616c79bacadb4/blt73d21bcd354c49c6/67c0d46e86c64e0580368cd2/PECOInterconnectionBrochure2024.pdf (retrieved 2026-11-13)
PECO Net Metering: https://www.peco.com/smart-energy/my-green-power-connection/developers-contractors/net-metering (retrieved 2026-11-13)

Other utilities in Pennsylvania

All Pennsylvania 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.