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PWP - Pasadena Water and Power

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

Net metering & export

Net Metering Allowed
1
Post Solar Billing Method
Net Metering
Rebates Offered
0
Allows Standby
1

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
0
System Size Restriction Type
No Restrictions
System Size Battery Included
0
System Size Includes Existing Systems
0
Offset Type
Percentage
Offset Value
100
Offset Calculation Basis
Historical
Offset Calculation Period
12
Industry Standard Watts Sqft
2
System Offset Notes

** System sizing is up to 100% of the homeowner’s historical usage, averaged from the past 3 years

If there’s less than 1 year of usage, you can use 2 watts/sqft to size your system.

Metering & disconnect

Production Meter Required
No
AC Disconnect Required
Yes
Meter Spot Process

https://ww5.cityofpasadena.net/water-and-power/electricusp/

** Schedule an Appointment for a Field Visit by calling or emailing .

** Provide the following documents 48 hours prior to the Field Visit

1. One set of plans

2. Section Evaluations

3. Site Survey Plans

** PWP will provide you with an approved Meter Spot and a quote for the new electric service installed or upgrade of the electrical service (if required)

Allowed Meter Adapter
None

Plans & docs

Site Plan Reqs

** Production meter not required

** The AC Manual Utility Disconnect Switch is required for all solar installations and it must be installed within eight (8) feet and line of sight from the main service panel

SLD Reqs

** Production meter not required.

** The AC Manual Utility Disconnect Switch is required for all solar installations.

Electric Service Reqs

They only Except 100Amp & 200Amp for MPU & can be Solar Ready

Install Reqs

** Currently, PWP is not conducting in-person inspections of solar installations until further notice. Customers can, instead, submit photos of their installation for approval. See attachment for sample photos.

** If the submitted photos do not adequately represent the installation, PWP may decide to conduct an in-person inspection; although the customer and/or contractor is not required to be present.

** Performance meter not required. If install, please either remove socket or add a meter + lock ring + lock

Equipment Approvals
California Energy Commission
Rate Schedule Link
link
Website
link
Phone
(626) 744-6970

Other details

Restrict Inspection
0
Revision Required
1
Address ID
108040
Express Planset Eligible
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with PWP - Pasadena Water and Power 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.