Interconnection Standards (South Dakota)

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Last modified on February 12, 2015.

Rules Regulations Policies Program

Place South Dakota

Name Interconnection Standards
Incentive Type Interconnection
Applicable Sector Agricultural, Commercial, Fed. Government, Industrial, Institutional, Local Government, Nonprofit, Residential, Schools, State Government, Tribal Government
Eligible Technologies Anaerobic Digestion, Biomass, CHP/Cogeneration, Fuel Cells, Fuel Cells using Renewable Fuels, Geothermal Electric, Hydroelectric, Landfill Gas, Microturbines, Other Distributed Generation Technologies, Photovoltaics, Small Hydroelectric, Small Wind, Solar Thermal Electric, Wind
Active Incentive Yes

Implementing Sector State/Territory
Energy Category Renewable Energy Incentive Programs

Applicable Utilities Investor-owned utilities











External Disconnect Switch Utility's discretion


Insurance Requirements Vary by system size and/or type; levels established by PUC



Net Metering Required No








Standard Agreement Yes

System Capacity Limit 10 MW














Date added to DSIRE 2009-06-15
Last DSIRE Review 2013-04-23



References DSIRE[1]


Summary

South Dakota’s interconnection standards for distributed generation, adopted by the state Public Utilities Commission (PUC) in May 2009, apply to customers of investor-owned utilities.* The rules provide for four levels of interconnection for systems up to 10 megawatts (MW) in capacity:

  • Tier 1 applies to inverter-based systems up to 10 kilowatts (kW) in capacity that use lab-tested equipment.
  • Tier 2 applies to systems up to 2 MW in capacity that use lab-tested equipment.
  • Tier 3 applies to systems up to 2 MW in capacity that do not export electricity.
  • Tier 4 applies to systems up to 10 MW in capacity that do not meet the requirements of Tier 1, Tier 2 or Tier 3.

Technical screens have been established for each level, and the IEEE 1547 technical standard is used for all interconnections. Reasonable timeframes for application and approval are set forth in the rules. System owners are generally responsible for all interconnection expenses, including interconnection equipment, utility system upgrades and adverse system impacts. Utilities are authorized to require the use of an external disconnect switch. Limited interconnection to area networks is permitted.

General liability insurance is required, with levels that vary by tier. (For Tier 1 systems, only “proof of adequate homeowners, general liability or commercial liability insurance sufficient to insure against all reasonably foreseeable direct liabilities given the size of the small generator facility” is necessary.) For all systems other than residential generators up to 10 kW in capacity, the customer must include the utility as an “additional insured.” The PUC staff may assist with dispute resolution when appropriate.


* The PUC’s rules do not apply to customers of electric cooperatives or municipal utilities.


Incentive Contact

Contact Name Brian Rounds
Department S.D. Public Utilities Commission

Address Capitol Building, 1st Floor
Address 2 500 East Capitol Avenue
Place Pierre, South Dakota
Zip/Postal Code 57501
Phone (605) 773-3201

Fax (866) 757-6031
Email brian.rounds@state.sd.us
Website http://puc.sd.gov
     
     

Authorities (Please contact the if there are any file problems.)

Authority 1: S.D. Administrative Code § 20:10:36

Date Enacted 2009-05-28


















  • Incentive and policy data are reviewed and approved by the N.C. Solar Center's DSIRE project staff.[1]

References

  1. 1.0 1.1  "Database of State Incentives for Renewables and Efficiency (DSIRE)"