Delmarva Power interconnection application

Delmarva Power is an investor-owned utility serving 493,163 residential customers in Delaware, Maryland (EIA-861, 2025). Applications: Own online portal (Connect the Grid Interconnection Portal (Green Power Connection)). Gridpol files Delmarva 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 Delmarva Power’s official sources (see below). Delmarva-specific process page assumed identical to Pepco/ACE (same Connect the Grid flow); DE regulatory timelines not checked; MD MCAM fee amount not retrieved.

Delmarva Power at a glance

Utility

Delmarva Power (Exelon (Pepco Holdings))

Type

Investor-owned utility

EIA utility ID

5027

Residential customers

493,163 (EIA-861, 2025)

Net-metered residential customers

17,741 (EIA-861, 2025)

Service territory

3 counties in Delaware, 10 counties in Maryland

How to apply

Own online portal – Connect the Grid Interconnection Portal (Green Power Connection) · official link

Who submits

Contractor registers in portal and submits on behalf of customer; customer can also apply; customer and contractor both track status.

Export compensation

NEM – Delaware / Maryland net energy metering
ANEM rider available (no fee)

Review time (official)

Invoice emailed within four business days after submission (Pepco MD page); fees paid before technical review.

Documents Delmarva Power asks for

Interconnection application formUtility Level 1 (or Level 2-4) Interconnection Application/Agreement uploaded in Connect the Grid Gridpol prepares this.
Recent electric billcustomer's recent bill
PV module spec sheetmanufacturer spec sheets of proposed system
Inverter spec sheetmanufacturer spec sheets
Single-line diagram (one-line)electronic single-line drawing Gridpol prepares this.
Site plan / site layoutelectronic site plan Gridpol prepares this.
Customer signaturesignatures on application/agreement
Battery spec sheet (when applicable)Energy Storage Supplemental Form when storage is included
Final inspection sign-offApplication Part 2 / Certificate of Completion after install with local electrical inspection
Net metering / net billing agreement (when applicable)Delaware ANEM rider application for aggregated net metering
Other utility-specific document (when applicable)Community Energy Facility site control affidavit (DE CEF); MD site control; pre-application form

How the Delmarva Power process runs

Contractor registers and logs in to the Connect the Grid portal
Contractor completes online application, uploads utility interconnection form/agreement, technical documents and signatures, submits
System calculates fee and emails invoice; fees must be paid before technical review
Application proceeds through approval steps; customer and contractor track status in dashboard
Contractor installs the system (after approval)
Contractor completes Application Part 2 in the portal (completion/inspection)
After final review the utility emails Permission to Operate to customer and contractor

Fees

Fee	Applies to	Note
$0	DE Level 1 (<=10 kW inverter-based); MD Level 1 (<=20 kW)
$50 + $1/kW AC	DE Level 2 (<=2 MW)
$100 + $2/kW AC	DE Level 3/4 (<=10 MW)
MCAM-S fees	MD secondary-voltage applications from 2026-05-01	amount for Delmarva MD not retrieved

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 (DE)	10 kW	inverter-based; MD Level 1 is 20 kW
Level 2	2000 kW	radial or spot network serving one customer
Level 3	10000 kW	area networks <=50 kW; radial <=10 MW
Level 4	10000 kW

Per Delmarva DE forms page

Storage, EV and stamps

Battery storage

Energy Storage Supplemental Form required with application when storage is included.

Sources

Delmarva DE Application Forms and Fees: https://www.delmarva.com/smart-energy/my-green-power-connection/developers-contractors/applying-for-interconnection/de-application-forms-and-fees (retrieved 2026-11-13)
Delmarva Apply for Interconnection: https://www.delmarva.com/smart-energy/my-green-power-connection/developers-contractors/applying-for-interconnection (retrieved 2026-11-13)
Exelon PHI Interconnection Application Process (ACE page, same portal process): https://www.atlanticcityelectric.com/smart-energy/my-green-power-connection/developers-contractors/applying-for-interconnection/Interconnection-application-process (retrieved 2026-11-13)
COMAR 20.50.09.09 Level 1 Review: https://regs.maryland.gov/us/md/exec/comar/20.50.09.09 (retrieved 2026-11-13)

Other utilities in Delaware

All Delaware 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.