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City of Colton Electric Utilities

California Utility Interconnection & net metering rules
Net Metering Allowed1
Line Taps Allowed0
Load Taps Allowed0
MPU Rules<p>MPU requirement: for residential projects, maximum upgrad
AC Disconnect RequiredYes

Net metering & export

Net Metering Allowed
1
TOU Utility
0
Post Solar Billing Method
Net Metering
Solar Export Type
N/A
Rebates Offered
0
Deregulated
0
Allows Standby
1

Interconnection & taps

Approval Req To Install
Yes
Interconnection Level
3
Line Taps Allowed
0
Load Taps Allowed
0
MPU Rules

MPU requirement: for residential projects, maximum upgrade up to 200A

Automatic Transformer Upgrade Size
0
Meter Aggregation Allowed
0

System size & offset

System Size Restrictions
10
System Size Restriction Type
AC kW
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


Offset Calc Tool
CSI

Metering & disconnect

Production Meter Required
Yes
Production Meter Position
Inv-Disco-PM-Disco-POI
Production Meter Labeling
Production Meter
AC Disconnect Required
Yes
AC Disconnect Labeling
Visible Lockable Labeled Disconnect
Meter Spot Required
1
Meter Spot Process

Meter Spot Request

  • Complete the Meter Spot Request Form (Attachment in Files).
  • Email the form to .

Meter Location Approval

  • Complete and submit the Load Questionnaire to Colton Electric Utility.
  • The utility will review and approve the new meter/panel location.
  • Load calculations may be required.

Special Situations

  • Multiple meters require a Notification of Address Number Assignment from City Planning or Building & Safety.
  • Multi-unit upgrades must include the unit number and existing meter number.

Fees

  • Utility fees must be paid before permits are issued.
  • Pay utility fees at Colton City Hall.

Same-Day Disconnect / Reconnect

  • Coordinate a same-day disconnect/reconnect with Colton Electric Utility before starting work.
  • The Building Inspector must be included in the coordination.
  • Failure to coordinate may result in a $250+ tampering/diversion fee.

Inspections

  • Schedule the Building inspection first: .
  • The Electric Utility Inspector performs the final inspection.
  • Work must be installed, inspected, and approved before 2:00 PM PST for same-day energization.

Service Cut-Over

  • After Building approval, coordinate with Colton Electric Utility to transfer power to the new panel.
  • Schedule the cut-over before 2:00 PM for same-day service activation.
Allowed Meter Adapter
None

Plans & docs

Site Plan Reqs

All Projects

  • AC disconnects, production meter, and MSP wall elevation required
  • Fences and walls must be outlined
  • Example labeled “Equipment Layout Example” available in files
SLD Reqs


Electric Service Reqs
  • The solar-ready line side tapped breaker slot may not be used. This type of MSP is no longer allowed.
Install Reqs


Meter Num Req SLD 3LD
0
ESID Num Req SLD 3LD
0
Rate Schedule Link
link
Website
link
Phone
(909) 370-5104

Other details

Restrict Inspection
0
Revision Required
1
Mod Swap Requires Planset
1
Address ID
108046
Express Planset Eligible
No
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with City of Colton Electric Utilities 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.