SEIEC - SouthEastern Illinois Electric Cooperative, Inc

Illinois Utility Interconnection & net metering rules

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Net Metering AllowedYes
NEM TypeAnnual
Line Taps AllowedNo
Load Taps AllowedNo

Net metering & export

Net Metering Allowed
Yes
NEM Type
Annual
TOU Utility
No
Post Solar Billing Method
Net Metering
Net Excess Generation Notes

In the event the delivered credits exceed the consumed charges, the credit will apply to member’s account and apply to the next billing period. In the event the delivered credits exceed the consumed charges on a regular and consistent basis and the account continues to accumulate credits, the Cooperative will pay the amount of the credit to the member at the end of the last billing period per calendar year.

Rebates Offered
No
Deregulated
No

Interconnection & taps

Approval Req To Install
Yes
Line Taps Allowed
No
Load Taps Allowed
No
Automatic Transformer Upgrade Size
0

System size & offset

System Size Battery Included
No
System Size Includes Existing Systems
No
Offset Value
0
Offset Calculation Period
0
Industry Standard Watts Sqft
2
Inverter Oversize Restrictions
No
System Offset Notes

Namplate Rating up to 40kW

Metering & disconnect

Production Meter Required
No
Production Meter Position
N/A
Production Meter Labeling
N/A
Allowed Meter Adapter
None

Plans & docs

SLD Reqs

. Detailed one-line diagram of the proposed facility, all applicable elementary diagrams, major equipment, (generators, transformers, inverters, circuit breakers, protective relays, etc.) specifications, test reports, etc., and any other applicable drawings or documents necessary for the proper design of the interconnection. Also describe the project’s planned operating mode (e.g., combined heat and power, peak shaving, etc.), and its address or grid coordinates.

Install Reqs

"All distributive generation facilities must include a disconnect device between the Cooperative’s

facilities and those facilities owned by the generation facility."

Equipment Approvals
California Energy Commission
Website
link
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with SEIEC - SouthEastern Illinois Electric Cooperative, Inc before you rely on this. The useful move: if an installer says you need a main panel upgrade, ask how these tap and interconnection policies were considered first.