CoServ

Texas 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 If something here is out of date or missing, tell us and we'll fix it.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
Supply Side Taps AllowedYes
Line Taps AllowedYes
Load Taps AllowedYes
AC Disconnect RequiredYes

Net metering & export

Net Metering Allowed
No
NEM Type
N/A
TOU Utility
Yes
Post Solar Billing Method
Export Rate
Solar Export Type
Avoided Cost
Solar Export Value Notes
Changes monthly
Net Excess Generation Notes

CoServ will buy back all received energy from the Member's solar system at our avoided wholesale power cost, and Member's purchasing all delivered energy from CoServ at the applicable retail rate. The buyback of received energy will occur in the form of a credit applied to each bill.

Rebates Offered
No
Deregulated
No
Allows Standby
No

Interconnection & taps

Approval Req To Install
Yes
Supply Side Taps Allowed
Yes
Line Taps Allowed
Yes
Load Taps Allowed
Yes
Automatic Transformer Upgrade Size
0
Meter Aggregation Allowed
No

System size & offset

System Size Restrictions
0
System Size Restriction Type
No Restrictions
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

Metering & disconnect

Production Meter Required
No
Production Meter Position
N/A
Production Meter Labeling
N/A
AC Disconnect Required
Yes
AC Disconnect Labeling
Visible Lockable Labeled Disconnect
Allowed Meter Adapter
Tesla Backup Switch

Plans & docs

Site Plan Reqs
  • DG plans need to be NABCEP stamped
  • AC disconnect must be accessible at all times by the utility
  • AC disconnect must be on an exterior wall and within ten feet of the CoServ meter. Other locations must be approved by the utility and may result in longer project timelines
SLD Reqs
  • The SLD required to be stamped by a Professional Engineer registered in the state of Texas
  • As of 05/01/2021, Coserv no longer requires PV meters to be installed
  • Line side tap conductors must end in a breaker or fuses not in mlo lugs in the panel.
Install Reqs


Placards
  • If the AC disconnect is more than 10 ft from the CoServ meter, place a site directory placard on the meter or nearby customer equipment showing its location.
Electrical Stamp Required
Yes
Meter Num Req SLD 3LD
Yes
ESID Num Req SLD 3LD
No
Website
link
Phone
940-321-7800
Compiled from public records, 2026. Tariffs and interconnection rules change; verify with CoServ 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.