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Utah

Utah

Incentives/Policies for Renewables & Efficiency

Printable Version
Interconnection Standards   

Last DSIRE Review: 06/10/2013
Program Overview:
State: Utah
Incentive Type: Interconnection
Eligible Renewable/Other Technologies: Solar Thermal Electric, Photovoltaics, Landfill Gas, Wind, Biomass, Hydroelectric, Geothermal Electric, Fuel Cells, Municipal Solid Waste, Hydrogen, Waste Gas and Waste Heat Capture and Recovery, other generating facilities, Anaerobic Digestion, Small Hydroelectric, Fuel Cells using Renewable Fuels
Applicable Sectors: Commercial, Industrial, Residential, Nonprofit, Schools, Local Government, State Government, Fed. Government, Agricultural, Institutional
Applicable Utilities:Investor-owned utilities, electric cooperatives
System Capacity Limit:20 MW
Standard Agreement:Varies by system size
Insurance Requirements:For systems 2 MW or less, utility may not require additional liability insurance. For systems larger than 2 MW, "prudent amounts of general liability insurance in an amount sufficient to protect other parties from any loss, cost, claim, injury, liability, or expense, including reasonable attorney's fees, relating to or arising from any act or omission in its performance of the provisions of the this rule or the interconnection agreement"
External Disconnect Switch:Not required for inverter-based systems 10 kW or less; required for all other systems
Net Metering Required:No
Authority 1:
Date Enacted:
Date Effective:
Utah Code ยง 54-15-101 et seq.
3/15/2002 (subsequently amended)
5/6/2002
Authority 2:
Date Enacted:
Date Effective:
Utah Admin Code R746-312
4/1/2010
4/30/2010
Summary:

Utah requires the state's only investor-owned utility, Rocky Mountain Power (RMP), and most electric cooperatives* to offer net metering to customers who generate electricity using solar energy, wind energy, hydropower, hydrogen, biomass, landfill gas, geothermal energy, waste gas or waste heat capture and recovery. The bill that established net metering also established some basic rules for interconnection. In April 2010, the Utah Public Service Commission (PSC) adopted final rules for interconnection. The rules described below took effect April 30, 2010.

Utah’s interconnection rules are based on the Federal Energy Regulatory Commission’s (FERC) interconnection standards for small generators, adopted in May 2005 by FERC Order 2006. Utah's rules for interconnection include provisions for three levels of interconnection for systems up to 20 megawatts (MW) in capacity, based on system complexity. Interconnection requirements, standards and review procedures are divided into three levels:

  • Level 1 Interconnection applies to inverter-based systems with a maximum capacity of 25 kilowatts (kW). These systems must comply with the IEEE 1547 and UL 1741 standards, and other applicable standards. An external disconnect switch is not required for inverter-based systems 10 kW or less.
  • Level 2 Interconnection applies to systems with a maximum capacity between 25 kW and 2 MW, or that fail to qualify for Level 1 interconnection. These systems also must comply with the IEEE 1547 and UL 1741 standards, and must be connected to the distribution grid. An external disconnect switch may be required. There are specific limitations on a single system's potential impact and the aggregate potential impact on the grid under Level 2 interconnection, and the review process is more involved than the review process for Level 1 interconnection.
  • Level 3 Interconnection applies to systems 20 MW or less that do not qualify for either Level 1 or Level 2 interconnection. Level 3 interconnection may require studies involving project scope, feasibility, grid impact. Any study fees will be invoiced to the interconnection customer, but are not to exceed 125% of the utility's non-binding "good faith estimate" of the cost of the study.


* Beginning in March 2008, electric cooperatives serving fewer than 1,000 customers in Utah may discontinue making net metering available to customers that are not already net metering. In addition, electric cooperatives not headquartered in Utah that serve fewer than 5,000 customers in Utah are authorized to offer net metering to their Utah customers in accordance with a tariff, schedule or other requirement of the appropriate authority in the state in which the co-op's headquarters are located.


 
Contact:
  Becky Wilson
Utah Public Service Commission
Electricity
160 East 300 South
Salt Lake City, UT 84111
Phone: (801) 530-6770
E-Mail: rlwilson@utah.gov
Web Site: http://www.psc.state.ut.us/
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Disclaimer: The information presented on the DSIRE web site provides an unofficial overview of financial incentives and other policies. It does not constitute professional tax advice or other professional financial guidance, and it should not be used as the only source of information when making purchasing decisions, investment decisions or tax decisions, or when executing other binding agreements. Please refer to the individual contact provided below each summary to verify that a specific financial incentive or other policy applies to your project.

While the DSIRE staff strives to provide the best information possible, the DSIRE staff, the N.C. Solar Center, N.C. State University and the Interstate Renewable Energy Council, Inc. make no representations or warranties, either express or implied, concerning the accuracy, completeness, reliability or suitability of the information. The DSIRE staff, the N.C. Solar Center, N.C. State University and the Interstate Renewable Energy Council, Inc. disclaim all liability of any kind arising out of your use or misuse of the information contained or referenced on DSIRE Web pages.

Copyright 2013 - 2014 North Carolina State University, under NREL Subcontract No. XEU-0-99515-01. Permission granted only for personal or educational use, or for use by or on behalf of the U.S. government. North Carolina State University prohibits the unauthorized display, reproduction, sale, and/or distribution of all or portions of the content of the Database of State Incentives for Renewables and Efficiency (DSIRE) without prior, written consent.