EIEC - Eastern Illinois Electric Cooperative

Illinois Utility Interconnection & net metering rules

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

Net metering & export

Net Metering Allowed
Yes
NEM Type
Monthly
Post Solar Billing Method
Net Metering
Solar Export Type
Avoided Cost
Net Excess Generation Notes

The Cooperative will calculate and apply a bill credit for the aggregated electric energy received from the Eligible Member/Owner according to the Incentive Provided during the Billing Period as reflected by the received retail service meter register. The rate for received energy credits shall be in accordance with the On-peak Energy Charge Rate stipulated in the wholesale power contract and established annually by PPI, effective each calendar year.

Rebates Offered
No

Interconnection & taps

Approval Req To Install
Yes
Line Taps Allowed
No
Load Taps Allowed
No
Tap Criteria
  • Load side interconnection required
  • Line side interconnection allowed with connection at a junction box or in meter base with prior Co-op approval
Automatic Transformer Upgrade Size
0

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
Historical
Offset Calculation Period
12
Industry Standard Watts Sqft
2
System Offset Notes
  • System must be sized to offset no more than 110% of the account's energy requirements over the previous 12 months
Offset Calc Tool
Historical Usage

Metering & disconnect

Production Meter Required
Yes
Production Meter Position
Inv-PM-Disco-POI
AC Disconnect Required
Yes
Allowed Meter Adapter
None

Plans & docs

SLD Reqs
  • Production meter required..
Electric Service Reqs


Placards
  • Place a label on the AC disconnect switch stating that it is the co-generation disconnect switch
  • If the AC disconnect is located away from the main meter, signage giving directions to the AC disconnect must be placed at the main meter
Website
link
Phone
(800) 824-5102

Other details

Revision Required
No
Mod Swap Requires Planset
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with EIEC - Eastern 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.