EnerStar Electric Cooperative (IL)

Illinois Utility Interconnection & net metering rules

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 If something here is out of date or missing, tell us and we'll fix it.

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Net Metering AllowedYes
Line Taps AllowedNo
Load Taps AllowedNo
AC Disconnect RequiredYes

Net metering & export

Net Metering Allowed
Yes
TOU Utility
No
Post Solar Billing Method
Export Rate
Solar Export Type
Avoided Cost
Solar Export Value Notes
Electricity consumption and net generation (excess electricity put onto the grid) are metered and billed separately. Members are charged the standard retail rate per kWh when they use energy
Rebates Offered
No
Deregulated
Yes

Interconnection & taps

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

System size & offset

System Size Restrictions
25
System Size Restriction Type
AC kW
System Size Battery Included
No
System Size Includes Existing Systems
No
Offset Type
Combination
Offset Value
100
Offset Calculation Basis
Historical
Offset Calculation Period
12
Industry Standard Watts Sqft
2
Offset Calc Tool
Historical Usage

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

Not required for utility submittal

SLD Reqs

Example SLD uploaded to files

Electric Service Reqs
  • AC DISCONNECT SWITCH- All renewable energy systems must install an AC disconnect switch. It must be visible, lockable, and located with 10 feet of the MAIN BREAKER
  • If installing a ground mount system, solar panels may not be installed within 10 feet of any primary underground electric service
  • No additional equipment shall be added to EnerStar poles. Any other support structure such as a meter rack (H-fixture) must be at least 2 feet from any EnerStar poles
  • All systems must be installed per the most current NEC
Install Reqs


Electrical Stamp Required
No
Equipment Approvals
California Energy Commission
Meter Num Req SLD 3LD
No
ESID Num Req SLD 3LD
No
Website
link
Phone
(800) 635-4145
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with EnerStar Electric Cooperative (IL) 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.