DEC - Delaware Electric Cooperative

Net metering & export

Net Metering Allowed

Yes

NEM Type

Monthly

TOU Utility

Yes

Post Solar Billing Method

Net Metering

Rebates Offered

Yes

Deregulated

Yes

Allows Standby

Yes

Interconnection & taps

Approval Req To Install

Yes

Supply Side Taps Allowed

Yes

Line Taps Allowed

Yes

Load Taps Allowed

Yes

Automatic Transformer Upgrade Size

0

Meter Aggregation Allowed

Yes

System size & offset

System Size Restrictions

0

System Size Restriction Type

No Restrictions

System Size Battery Included

No

System Size Includes Existing Systems

No

Offset Type

Percentage

Offset Value

110

Offset Calculation Basis

Average

Offset Calculation Period

24

Industry Standard Watts Sqft

2

System Offset Notes

• The largest this system can be without exceeding 110% of their 24 monthly average usages.

• For DEC members that have greater than 12 months of usage history and less than 24 months of usage history, the most recent 12 months of usage history shall be used to obtain the average monthly usage necessary for calculating the inverter size as described in the interconnection agreement. (Available in the files section) 

• For systems being installed on properties with less than 12 months of recorded usage, see the below guidelines on maximum system sizes:

• Single-wide trailers: 3.8 kVA
• Double-wide trailers: 6 kVA
• < 2000 sqft house: 6.2 kVA
• 2000 - 3000 sqft house: 8.1 kVA
• 3000+ sqft house: 11.7 kVA

Offset Calc Tool

Historical Usage

Metering & disconnect

Production Meter Required

No

Production Meter Position

N/A

Production Meter Labeling

N/A

AC Disconnect Required

Yes

Allowed Meter Adapter

None

Plans & docs

Site Plan Reqs

A lockable disconnect device shall be installed within three (3) feet of the DEC meter and accessible at all times by DEC personnel.

Website

link

Phone

(855) 332-9090