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Tanner Electric Cooperative

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
Solar Export Type
N/A
Net Excess Generation Notes

If the electricity generated by the Member and distributed back to Tanner during the billing period, exceeds the electricity supplied by Tanner, then the Member shall be: (a) billed for the appropriate Member service charge as other Members of Tanner in the same rate class; and (b). credited for the net excess kilowatt-hours generated during the billing period, with this kilowatt-hour credit appearing on Member’s bill. Beginning April 1 of each year, any remaining unused kilowatt-hour credit accumulated by the Member during the previous 12 months shall be granted to Tanner, without any compensation to the Member.

Rebates Offered
0
Deregulated
0
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
0

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

Up to 100 kW AC - transformer upgrade will be customer's responsibility

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
Utility Disconnect Switch

Plans & docs

Equipment Approvals
California Energy Commission
Meter Num Req SLD 3LD
0
ESID Num Req SLD 3LD
0
Rate Schedule Link
link
Website
link
Phone
(425) 888-0623

Other details

Restrict Inspection
0
Revision Required
1
Mod Swap Requires Planset
1
Address ID
12149521
Express Planset Eligible
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with Tanner 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.