Inland Power & Light

Washington Utility Interconnection & net metering rules

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Tariffs and interconnection rules move often. If something here is out of date or missing, tell us and we'll fix it.

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Net Metering AllowedYes
NEM TypeAnnual
Supply Side Taps AllowedNo
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

When a member generated more electricity than they use, the net electricity generated by the member will be credited to the account. On March 31 of each calendar year, any remaining unused kilowatt-hour credit accumulated by the member during the previous year (April 1 through March 31) will be granted to Inland, without compensation to the member

Rebates Offered
No
Deregulated
No

Interconnection & taps

Approval Req To Install
Yes
Supply Side Taps Allowed
No
Line Taps Allowed
No
Load Taps Allowed
No
Automatic Transformer Upgrade Size
0
Meter Aggregation Allowed
Yes

System size & offset

System Size Restrictions
100
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

100 kW AC max

Offset Calc Tool
PV Watts

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

Electric Service Reqs

Depends on the system size and the process depends on that.

Install Reqs

"You install the socket we provide the production meter. This is installed at the time of our inspection. There is a $350 fee Inland bills to our members for our inspection and the cost of the production meter.


Standard 2s meter socket"

Equipment Approvals
California Energy Commission
Meter Num Req SLD 3LD
No
ESID Num Req SLD 3LD
No
Rate Schedule Link
link
Website
link
Phone
(509) 789-4277

Other details

Revision Required
Yes
Mod Swap Requires Planset
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with Inland Power & 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.