California Solar Initiative - Solar Thermal Program (California)

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Last modified on February 12, 2015.

Financial Incentive Program

Place California

Name California Solar Initiative - Solar Thermal Program
Incentive Type State Rebate Program
Applicable Sector Commercial, Fed. Government, Industrial, Local Government, Low-Income Residential, Multi-Family Residential, Nonprofit, Residential, Schools, State Government
Eligible Technologies Solar Pool Heating, Solar Water Heat
Active Incentive Yes

Implementing Sector State/Territory
Energy Category Renewable Energy Incentive Programs
Amount Step 1 Incentive Rates (contact utility to determine current incentive levels):

Single Family Residential Incentives:
Systems that displace natural gas: $18.59 per estimated therm displaced
Systems that displace electricity or propane: $0.54 per estimated kWh displaced
Commercial/Multifamily Incentives:
Systems that displace natural gas: $14.53 per estimated therm displaced
Systems that displace electricity or propane: $0.42 per estimated kWh displaced
Single-Family Low-Income Incentives:
Systems that displace natural gas: $25.64 per estimated therm displaced
Multifamily Low-Income Incentives:
Systems that displace natural gas: $19.23 per estimated therm displaced







Equipment Requirements Residential systems must be certified to SRCC OG-300 by either SRCC or International Association of Plumbing and Mechanical Officials (IAPMO)

Solar collectors used in eligible commercial systems must be certified to SRCC OG-100 by either SRCC or IAPMO
Only non-residential solar pool heaters are eligible.

Start Date 5/1/2010; incentives are available retroactively for systems installed after 7/15/09
Expiration Date 2017-12-31 or until the funds run out.



Installation Requirements Systems must be installed by an appropriately licensed contractor who is listed as being eligible to participate in the program.

Self-installations are permitted if the building owner attends a designated CSI-Thermal Program training workshop.



Maximum Incentive Step 1 Incentive Limits (contact utility to determine current incentive limits):

Single-family residential systems that displace natural gas: $2,719
Single-family residential systems that displace electricity or propane: $1,834
Commercial and multifamily residential systems that displace natural gas: $500,000
Commercial and multifamily residential systems that displace electricity or propane: $250,000


Ownership of Renewable Energy Credits Remain with customer


Program Budget $350 million





Program Administrator SCE, CCSE, PG&E, SCGC
Website http://www.cpuc.ca.gov/PUC/energy/Solar/swh/index.htm

Last DSIRE Review 2013-03-14
Last Substantive Modification
to Summary by DSIRE
2013-03-14


References Database of State Incentives for Renewables and Efficiency (DSIRE)[1]


Summary

Note: This program was modified by AB 2249, signed in September 2012. The bill allows for non-residential solar pool heating to qualify for incentives, and requires program administrators to modify their programs accordingly by July 1, 2013. Residential solar pool heating will continue to be ineligible for incentives.

This program was further modified by CPUC Decision 13-02-018 in February 2013. The decision allows other solar thermal technologies to qualify for incentives. Commercial combined solar water heating and solar space heating, solar process heat, and solar cooling will all qualify for performance based incentives through this program. Incentives will be paid quarterly for two years. However, before these new incentives are available, the Program Administrators have 120 days to file Tier 2 Advice Letters to modify the CSI Thermal Handbook. After the Tier 2 Advice Letters receive CPUC approval, the Program Administrators will have 60 days to implement the program changes. The summary below describes the program as it is currently available.

AB 1470 of 2007 authorized the creation of a $350 million incentive program for solar water heating systems. Of the $350 million in total funding, $250 million is reserved for systems that will displace natural gas water heaters, and $100 million is set aside for systems replacing electric water heaters. Before developing the program, however, the California Public Utilities Commission (CPUC) had to wait for results from a pilot solar water heating program administered by the California Center for Sustainable Energy (CCSE) in the San Diego area. After reviewing the positive results of the pilot program, the CPUC developed rules for the statewide program and the program administrators began accepting applications retroactively on May 1, 2010 for single-family residential systems installed after July 15, 2009. Rebate applications for multifamily residential and commercial customers have been accepted since June 2010. CPUC Decision 12-08-008 of August 2012 established separate incentive rates for single-family residential systems and commercial/multifamily systems, each significantly higher than the rates previously available.

The program is being administered by Pacific Gas and Electric (PG&E), Southern California Edison (SCE), Southern California Gas Company (SCGC) and CCSE on behalf of San Diego Gas and Electric (SDG&E). There are different incentive levels depending on whether the solar water heating system displaces electricity, natural gas, or propane. Incentives for systems with a capacity of 250 kW-thermal or less will be paid upfront based on the OG-300 estimated first year energy savings. Larger systems will receive 70 percent of the incentive upfront, with the remaining 30 percent paid after 12 consecutive months, based on actual metered energy savings. Note, CPUC Decision 13-02-018 replaced the 70/30 split with a performance-based incentive which will make quarterly payments for a 2-year period based on metered energy output. This change will not take effect, however, until the new CSI Thermal Handbook is approved.


Similar to the PV incentives offered through the California Solar Initiative, the incentives offered through this program will step down four times as installation milestones are met. Steps will decline separately in each service territory and for the four general customer classes.

Interested residential customers should contact the appropriate program administrator:

Pacific Gas and Electric:
Phone: (877) 743-4112
Email: solar@pge.com
Website: http://www.pge.com/csithermal

California Center for Sustainable Energy (SDG&E territory):
Phone: (877) 333-SWHP
Email: swh@energycenter.org
Website: http://www.energycenter.org/swh

Southern California Gas Company:
Phone: (800) Gas-2000
Email: CSIThermalProgram@SoCalGas.com
Website: http://www.socalgas.com/rebates/solar/

Southern California Edison:
Phone: (800) 799-4177
Email: CSIGroup@sce.com
Website: http://www.sce.com/csithermal



      
     
     

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

Authority 1: CA Public Utilities Code § 2860, et seq.
Date Effective 2008-01-01
Date Enacted 2007-10-12


Authority 2: CSI Thermal Handbook
Date Effective September 2012



Authority 3: AB 2249

Date Enacted 2012-09-27
















  • 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)"