MPD Electric Cooperative, Inc

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 If something here is out of date or missing, tell us and we'll fix it.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

Net metering & export

Net Metering Allowed
Yes
NEM Type
Annual
TOU Utility
No
Post Solar Billing Method
Net Metering
Net Excess Generation Notes

Excess monthly generation is banked and rolled over monthly for 12 months (June to June). Any unused credits come June 1st will be depleted.

Rebates Offered
No
Deregulated
No
Allows Standby
Yes

Interconnection & taps

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

System size & offset

System Size Restrictions
20
System Size Restriction Type
AC kW
System Size Battery Included
No
System Size Includes Existing Systems
No
Offset Type
No Restrictions
Offset Value
0
Offset Calculation Period
0
Industry Standard Watts Sqft
2
System Offset Notes

Maximum 20kW AC

Offset Calc Tool
PV Watts

Metering & disconnect

AC Disconnect Required
Yes
AC Disconnect Labeling
Visible Lockable Labeled Disconnect
Allowed Meter Adapter
None

Plans & docs

SLD Reqs

a one-line diagram showing the electrical design of the generating installation, depicting the necessary equipment for interconnection with the Cooperative's system.


One line diagrams of the installation stamped by licensed engineer

Install Reqs

Utility Inspection Required: Yes

Meter is capable of bidirectionality, there is no need for a production meter. You will interconnect behind our meter therefore you are not required to use your own meter.

Electrical Stamp Required
Yes
Equipment Approvals
California Energy Commission
Meter Num Req SLD 3LD
No
ESID Num Req SLD 3LD
No
Electrical Diagram Notes


Website
link
Phone
(843) 665-4070

Other details

Revision Required
Yes
Mod Swap Requires Planset
Yes
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with MPD Electric Cooperative, Inc 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.