TDPUD - Truckee Donner Public Utility District

California 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 If something here is out of date or missing, tell us and we'll fix it.

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Line Taps AllowedNo
Load Taps AllowedNo

Net metering & export

Rebates Offered
No

Interconnection & taps

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

System size & offset

System Size Restrictions
10
System Size Restriction Type
CEC kW
System Size Battery Included
No
System Size Includes Existing Systems
No
Offset Type
Combination
Offset Value
100
Offset Calculation Basis
Historical
Offset Calculation Period
12
Industry Standard Watts Sqft
2
System Offset Notes
  • 100% offset or recommended maximum 10 kW (whichever is less)
  • Customer-Generator Facilities greater than 10kW shall require a dedicated transformer which serves only the Customer.

Metering & disconnect

Production Meter Required
No
Production Meter Position
N/A
Production Meter Labeling
N/A
Allowed Meter Adapter
None

Plans & docs

Site Plan Reqs

AC disco needs to be within 10ft and LOS of utility meter.

SLD Reqs

6.1. Customer shall or shall cause the design, installation, operation, maintenance and repair of the Equipment, and shall obtain and maintain the required governmental authorizations, permits, and any policy or policies of insurance, as may be required by applicable laws, and this Agreement.


6.2. Customer shall comply with all applicable photovoltaic/solar or wind electrical generating system or battery storage system safety and performance standards established by or under the National Electrical Code (NEC), the Institute of Electrical and Electronics Interconnection Agreement, 4/4/2018 Page | 5 Engineers (IEEE) and accredited testing laboratories, including, without limitation, Underwriters Laboratories (UL), and in accordance with other applicable rules and regulations. The Customer shall comply with the Town of Truckee pertaining to the safety and reliability of electrical generating systems and applicable building codes.


6.3. When references are made to published specifications, codes, standards, or other requirements, it shall be understood that where no date is specified, only the latest specifications, codes, standards, or requirements of the respective issuing agencies which have been published as of the date that the Agreement is signed, shall apply.

Equipment Approvals
California Energy Commission
Rate Schedule Link
link
Website
link
Phone
(530) 587-3896
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with TDPUD - Truckee Donner Public Utility District 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.