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Columbia REA

Washington Utility Interconnection & net metering rules
Net Metering Allowed1
NEM TypeAnnual
Line Taps Allowed0
Load Taps Allowed0
AC Disconnect RequiredYes

Net metering & export

Net Metering Allowed
1
NEM Type
Annual
TOU Utility
0
Post Solar Billing Method
Net Metering
Net Excess Generation Notes

If the electricity generated by the Customer exceeds consumption and is distributed back to the PUD during the billing period, then the Customer shall be

credited for the net excess kilowatt-hours generated during the billing period, with this kilowatt-hour credit appearing on Customer’s bill for the following billing period. Every year in March any remaining credits will be exhausted with no compensation to the member.

Rebates Offered
0
Deregulated
1
Allows Standby
0

Interconnection & taps

Approval Req To Install
Yes
Interconnection Level
3
Line Taps Allowed
0
Load Taps Allowed
0
Automatic Transformer Upgrade Size
0
Meter Aggregation Allowed
1

System size & offset

System Size Restrictions
100
System Size Restriction Type
AC kW
System Size Battery Included
0
System Size Includes Existing Systems
0
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
Situational
Production Meter Criteria

Only install the production meter if it's requested by the customer. If it's not specifically requested, do not include the production meter.

Production Meter Position
Inv-PM-Disco-POI
Production Meter Labeling
Production Meter
AC Disconnect Required
Yes
AC Disconnect Labeling
Visible Lockable Labeled Disconnect

Plans & docs

Site Plan Reqs

Standard

SLD Reqs

Standard

Electric Service Reqs
  • AC Disconnect must be within 10' of the utility meter
Placards

Placards Required, see examples uploaded to files section

Electrical Stamp Required
0
Equipment Approvals
California Energy Commission
Meter Num Req SLD 3LD
0
ESID Num Req SLD 3LD
0
Website
link
Phone
(509) 526-4041

Other details

Restrict Inspection
0
Revision Required
1
Mod Swap Requires Planset
1
Address ID
4470652
Express Planset Eligible
No
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with Columbia REA 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.