83 Ill. Adm. Code 712.2220
Account 2220 Operator Systems
Section 712
Section 712.2220 Account
2220 Operator Systems
a) Regulated cost pool
1) Cost Pool Apportionment Basis: Direct reporting/property
record analysis
2) Regulated/Nonregulated Apportionment Basis: Directly assigned
to Regulated
3) Cost Definition: Directly assignable
b) Nonregulated cost pool
1) Cost Pool Apportionment Basis: Direct reporting/property
record analysis
2) Regulated/Nonregulated Apportionment Basis: Directly assigned
to Nonregulated
3) Cost Definition: Directly assignable
c) Shared cost pool
1) Cost Pool Apportionment Basis: Residual of Account
2) Regulated/Nonregulated Apportionment Basis: Projected
Regulated/Nonregulated shared usage
3) Cost Definition: Directly attributable