Southern Illinois Electric Cooperative

Illinois Utility Interconnection & net metering rules

Spot something wrong?

Tariffs and interconnection rules move often. If something here is out of date or missing, tell us and we'll fix it.

Report a correction
NEM TypeMonthly
Line Taps AllowedNo
Load Taps AllowedNo
AC Disconnect RequiredYes

Net metering & export

NEM Type
Monthly
TOU Utility
No
Post Solar Billing Method
Export Rate
Solar Export Type
Avoided Cost
Solar Export Rate Approx
0.03775
Solar Export Value Notes
as of 02.01.2023
Net Excess Generation Notes
  • The Cooperative will install and maintain metering equipment capable of measuring the flow of electricity both into and out of the member’s facility at the same rate and ratio
  • The Cooperative does not offer net-metering, but net-billing. Any excess energy exported back onto the grid will be credited at the Cooperative’s avoided energy cost. This is currently $0.03775/kWh
Rebates Offered
Yes
Deregulated
Yes

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 Restrictions
40
System Size Restriction Type
AC kW
System Size Battery Included
No
System Size Includes Existing Systems
No
Offset Type
No Restrictions
Offset Value
0
Offset Calculation Period
0
Industry Standard Watts Sqft
2
Offset Calc Tool
N/A

Metering & disconnect

Production Meter Required
No
AC Disconnect Required
Yes
AC Disconnect Labeling
Visible Lockable Labeled Disconnect
Allowed Meter Adapter
None

Plans & docs

Site Plan Reqs
  • AC disconnect accessible to the utility 24/7
Meter Num Req SLD 3LD
No
ESID Num Req SLD 3LD
No
Website
link
Phone
(618) 827-3555

Other details

Revision Required
No
Mod Swap Requires Planset
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with Southern Illinois Electric Cooperative 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.