1. DISTRIBUTED GENERATION (DG) MODELING CRITERIA SWEDE 2016
April 26, 2016
Ron Shipman
Oncor Asset Planning
Distribution

2. Modeling Criteria DER Connections< 10 KW – No Service Study
11/12/2018
DER Connections< 10 KW – No Service Study
Record of location - tracking tool
DER Connections< 1MW – Service Study
Record of location
Transformer loading
Proper Connectivity
DER Connections> 1MW – Impact Study
Customers Facilities
Voltage/Loading Study
Coordination
Operation
Transfer Trip Requirements

3. Type Distribution Studies
11/12/2018
ERS – up to 10 MW
PV – 1.0 to 10 MW
Pipeline Flow Generation
Wind 2.0 MW
Back-up generation up to 15 MW

4. DG RENEWABLES COUNT AND CAPACITY
4/26/2016

5. ONCOR INTERCONNECTED DG CAPACITY MW
4/26/2016

6. ONCOR DG INTERCONNECTION ACTIVITY
4/26/2016

7. QUESTIONS
4/26/2016

8. SAFETY Electrical Equipment and Placard Requirements
Oncor requires placards at the utility meter to help employees know there is a DG system on-site and where they can disconnect it if necessary
PUC rule § requires customers furnish and install a disconnect device with visible break and capable of being locked in the open position
Certified systems meet UL-1741 and the applicable provisions of IEEE1547 regarding safety and disconnect requirements
For non-certified systems Oncor requires specific relaying elements for protection
4/26/2016