Centralia City Lights

Washington Utility Interconnection & net metering rules

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

Net metering & export

Net Metering Allowed
Yes
NEM Type
Annual
TOU Utility
No
Post Solar Billing Method
Net Metering
Net Excess Generation Notes

If the electricity generated by the Customer exceeds consumption and is distributed back to City Light during the billing period, then the Customer shall be billed for the customer service charge(s) paid by other customers of City Light in the same rate class as Customer; and shall be credited for the net excess kilowatt-hours generated during the billing period, with this kWh credit appearing on Customer’s bill for the following billing period


On April 30th of each calendar year, any remaining unused kilowatt-hour credit accumulated during the previous year shall be granted to City Light, without any compensation to the Customer-Generator.

Rebates Offered
No
Deregulated
Yes

Interconnection & taps

Approval Req To Install
Yes
Line Taps Allowed
No
Load Taps Allowed
No
Tap Criteria

TAPS ARE NOT ALLOWED

Automatic Transformer Upgrade Size
0

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 Value
0
Offset Calculation Period
0
Industry Standard Watts Sqft
2
System Offset Notes

** Any system over 25kW needs to have the customer on a dedicated transformer

Offset Calc Tool
Historical Usage

Metering & disconnect

Production Meter Required
Yes
Production Meter Position
Inv-Disco-PM-POI
Production Meter Labeling
Production Meter
AC Disconnect Required
Yes
AC Disconnect Labeling
Visible Lockable Labeled Disconnect
Allowed Meter Adapter
None

Plans & docs

Site Plan Reqs

Standard

SLD Reqs

Meter Orientation = Over/Under


  • The Production Meter Socket Diagram must show the circuits from the disconnect going through the top then out the bottom of the production meter.
  • Disconnect Switch Include the physical location relative to the CITY LIGHT Service Meter.
Electric Service Reqs

Lockable AC Disconnect Required


Production Meter Required

  • Production Meter must be located outdoors and adjacent (max. of 6 feet) to the existing Meter.
  • CCL will consider variance request for alternate Production Meter locations in the rare situations where locating adjacent to the existing service meter is truly impractical
Placards

Meter and transformer or transformer pole serving the Customer-Generator shall be labeled to indicate potential electric current back feed. The Utility will provide and install labels when Customer-Generator’s electric system is approved for interconnection.

Electrical Stamp Required
No
Equipment Approvals
California Energy Commission
Meter Num Req SLD 3LD
No
ESID Num Req SLD 3LD
No
Rate Schedule Link
link
Website
link

Other details

Revision Required
Yes
Mod Swap Requires Planset
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with Centralia City Lights 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.