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MID - Merced Irrigation District

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

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

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
120
Offset Calculation Basis
Historical
Offset Calculation Period
12
Industry Standard Watts Sqft
2
System Offset Notes

For new construction/customers we use our average annual residential usage of 8,000 kwh. For values over that, the customer will need to provide proof of increased usage such as a contract to install a swimming pool or proof of electric vehicle purchase, etc. Another way to determine a system size is to use square footage of the home multiplied by 2 watts/sq. ft. For example: a 2500 sq. ft. will be permitted to install a 5 kW AC system.

Offset Calc Tool
CSI

Metering & disconnect

Production Meter Required
Yes

Plans & docs

Site Plan Reqs
  • IF FENCE/GATE ON THE PROPERTY, AC DISCONNECT AND METER SOCKET MUST BE LOCATED ON THE STREET-SIDE OF THE FENCE.
  • DESIGNER MUST FILL OUT 'MID' EQUIPMENT DIAGRAM' (See Files section below), COMPLETED DOCUMENT MUST BE UPLOADED TO LS
SLD Reqs
  • INVERTER -> METER -> DISCO -> MAIN

Battery Jobs

  • LG CHEM NOT ALLOWED
  • For DC-coupled batteries, (1) PV meter is required on the line side of all generations.
Install Reqs

Performance meter socket and AC disconnect need to be installed on the street-side of the fence accessible to Merced technicians at all times. Meter socket to be installed at about the same level as the main panel meter. Also, the wiring shall go as follows: inverter to top lugs of meter socket, bottom lugs of meter socket to bottom lugs of AC disconnect, top lugs of AC disconnect to main panel.

Rate Schedule Link
link
Website
link
Phone
(209) 354-2819

Other details

Restrict Inspection
0
Address ID
109894
Express Planset Eligible
No
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with MID - Merced Irrigation 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.