ED4 - Electrical District No.4

Arizona 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 If something here is out of date or missing, tell us and we'll fix it.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 AllowedNo
NEM TypeN/A
Line Taps AllowedNo
Load Taps AllowedNo
AC Disconnect RequiredYes

Net metering & export

Net Metering Allowed
No
NEM Type
N/A
TOU Utility
No
Post Solar Billing Method
Export Rate
Solar Export Type
Avoided Cost
Rebates Offered
No
Deregulated
No

Interconnection & taps

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

System size & offset

System Size Restrictions
10
System Size Restriction Type
AC kW
System Size Battery Included
No
System Size Includes Existing Systems
No
Offset Type
Combination
Offset Value
125
Offset Calculation Basis
Historical
Offset Calculation Period
12
Industry Standard Watts Sqft
2

Metering & disconnect

Production Meter Required
Yes
Production Meter Position
Inv-PM-Disco-POI
Production Meter Labeling
Production Meter
AC Disconnect Required
Yes
AC Disconnect Labeling
Visible Lockable Labeled Disconnect
Allowed Meter Adapter
None

Plans & docs

SLD Reqs

Meter Orientation = Over/Under

All projects

  • Production meter wired top inverter, bottom disconnect

GTE BATTERY

  • must show wire size from DER storage disco to DER storage mtr shows (4)AWG
Electric Service Reqs


Electrical Stamp Required
No
Meter Num Req SLD 3LD
No
ESID Num Req SLD 3LD
No
Website
link
Phone
520-466-7336
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with ED4 - Electrical District No.4 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.