City of Columbia (Columbia Water & Light)

Missouri Utility Interconnection & net metering rules

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

Net metering & export

Net Metering Allowed
Yes
NEM Type
Monthly
TOU Utility
No
Post Solar Billing Method
Net Metering
Solar Export Type
N/A
Net Excess Generation Notes

Net Metering, the customer can select the NEM type: Option (1) For solar generated energy and the utility retaining the renewable energy credits, the Customer shall receive credit per kWh equal to the customer's current applicable rate schedule. Option (2) For solar generated energy with the customer retaining the renewable energy credits, the customer shall receive credit per kWh based upon the avoided average energy market price at the Columbia pricing node (avoided cost). 

Rebates Offered
No
Deregulated
No
Allows Standby
No

Interconnection & taps

Approval Req To Install
Yes
Line Taps Allowed
Yes
Load Taps Allowed
No
Meter Aggregation Allowed
No

System size & offset

System Size Restriction Type
No Restrictions
System Size Battery Included
No
System Size Includes Existing Systems
Yes
Offset Type
Percentage
Offset Value
110
Offset Calculation Basis
Average
Offset Calculation Period
36
Industry Standard Watts Sqft
Not Accepted
Utility Specific Adjustments


Inverter Oversize Restrictions
No
System Offset Notes


Offset Calc Tool
Historical Usage

Metering & disconnect

Production Meter Required
No
Production Meter Position
N/A
Production Meter Labeling
N/A
AC Disconnect Required
Yes
AC Disconnect Labeling
Visible Lockable Labeled Disconnect

Plans & docs

Site Plan Reqs
  • The disconnect is required to be within 6 feet and direct line of site of the electric meter base.
Electric Service Reqs


Install Reqs
  •  CWL may require a meter base upgrade along with any PV installation. (
Electrical Stamp Required
No
Equipment Approvals
California Energy Commission
Meter Num Req SLD 3LD
No
ESID Num Req SLD 3LD
No
Site Plan Notes


Rate Schedule Link
link
Website
link
Phone
(573) 441-5528

Other details

Revision Required
Yes
Mod Swap Requires Planset
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with City of Columbia (Columbia Water & Light) 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.