AEP Texas Central Company
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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 If something here is out of date or missing, tell us and we'll fix it.
Report a correction Supply Side Taps AllowedYes
Line Taps AllowedYes
Load Taps AllowedYes
Net metering & export
- Post Solar Billing Method
- Export Rate
- Rebates Offered
- No
- Allows Standby
- No
Interconnection & taps
- Approval Req To Install
- Yes
- Supply Side Taps Allowed
- Yes
- Line Taps Allowed
- Yes
- Load Taps Allowed
- Yes
- Tap Criteria
Taps
- Piercing Tap - allowed
- Supply Side Tap - allowed
- Line Side Tap - allowed
- Load (breaker) Tap - allowed
- No connections directly to the meter
- Line side tap conductors must end in a breaker or fuses not in mlo lugs in the panel.
- Automatic Transformer Upgrade Size
- 0
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
- System Offset Notes
System Sizing (Incentive Projects ONLY)
- To be eligible for an incentive payment, the output of a solar system (in PV Watts) must be at least 80% of estimated annual usage. Installations which do not meet the minimum performance threshold will not receive an incentive. Prorated incentives are not available.
- Offset Calc Tool
- PV Watts
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
- EXTERIOR EMERGENCY DISCONNECT REQUIRED ON ALL PROJECTS PER NEC 230.85
- AEP only requests to see where the AC Disconnect is located in relation to the existing meter.
- AC Disconnect is required to be within 3FT of the AEP Meter.
- Please label the AC Disconnect as fused/ non-fused
- We need a minimum 2" clearance on each side all electrical equipment.
- SLD Reqs
ALL JOBS
- PV Panels -> Inverter -> AC Disconnect -> MSP -> Utility (AEP) Meter
- Split PV Systems not allowed.
- Please label the AC Disconnect as fused/ non-fused
- 200A EXTERIOR EMERGENCY DISCONNECT REQUIRED ON ALL PROJECTS PER NEC 230.85. DISCONNECT MUST SHUT OFF ENTIRE HOME (MBE WILL SUFFICE)
- AEP specifically wants an AC DISCONNECT SWITCH as the EMERGENCY DISCONNECT (EVEN IF THERE IS AN MBE, MBE by itself does NOT suffice as an emergency disconnect. example: [GW-AC DISCONNECT-MBE-UM] OR [GW-AC DISCONNECT-UM]
- ACDC must always isolate DER from utility - sub panel needs to be behind the ACD on the SLD
Battery Jobs
- DISONNECT REQUIRED BETWEEN MID AND POI
- PV Panels -> Inverter -> AC Disconnect -> MID-> AC Disconnect -> POI
- Battery system label required on the meter..
Existing Systems
- New and existing systems must connect behind a single AC disconnect.
- Split PV Systems not allowed.
- Electric Service Reqs
SERVICE MUST BE 200A MINIMUM TO INTERCONNECT SOLAR. MPU IF LESS THAN 200A
- Install Reqs
- Placards
- AEP has own set of placards
- Placards required from when AC disconnect not within LOS of utility meter. supplemental Terms & Conditions must be added to the agreement
- Line Side Tap require a placard installed in the utility meter.
- Label Page Notes
- Electrical Diagram Notes
All Jobs [visible, lockable, labeled, utility-accessible AC disconnect located within 3FT of the utility meter // Inverter UL1741 SB certified]
- Rate Schedule Link
- link
- Website
- link
- Phone
- (877) 373-4858