Santee Cooper

South Carolina 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 If something here is out of date or missing, tell us and we'll fix it.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 AllowedYes
Line Taps AllowedNo
Load Taps AllowedNo

Net metering & export

Net Metering Allowed
Yes
Post Solar Billing Method
Export Rate
Solar Export Type
Fixed kWh
Solar Export Rate
0.0415
Solar Export Value Notes
All Export Rates are the same.
Rebates Offered
Yes
Allows Standby
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
20
System Size Restriction Type
DC 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

The solar PV system rating must have a minimum rating of 1 kilowatt alternating current (“kW AC”) and must not exceed the lesser of 20 kW or the Customer’s annual peak electrical demand recorded over the past 12-month period from the date on which the Solar Home Application was signed.  

All rebate incentives are capped at 6kW.  

Offset Calc Tool
Historical Usage

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

Visual representation of the number and location of the panels and inverters

SLD Reqs

All Projects:

Visual representation of the number and location of the panels and inverters


Battery Projects:

A disconnect is required between the meter and batteries

Install Reqs

The Customer shall install a manual load-break disconnect switch or safety switch as a clear visible indication of switch positionbetween the Authority System and the Interconnection Customer. For personnel safety, the switch shall have visible blades sothat switch position can be confirmed. The switch shall be installed immediately adjacent to the Authority's meter, unlessotherwise agreed to and approved by the Authority.  

Website
link
Phone
(843) 946-5951

Other details

Revision Required
Yes
Mod Swap Requires Planset
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with Santee Cooper 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.