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The U.S. Department of Energy and the North Carolina Clean Energy Technology Center are excited to announce that a new, modernized DSIRE is under construction. The new version of DSIRE will offer significant improvements over the current version, including expanded data accessibility and an array of new tools for site users. The new DSIRE site will be available in December 2014. Staff are currently working hard on the new version of DSIRE but are also maintaining the content of the current version of DSIRE. Thank you for your continued support and patience during this transition. We hope you are as excited for December as we are!

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Incentives/Policies for Renewables & Efficiency

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City of Palo Alto Utilities - Solar Water Heating Program   

Last DSIRE Review: 10/18/2012
Program Overview:
State: California
Incentive Type: Utility Rebate Program
Eligible Renewable/Other Technologies: Solar Water Heat
Applicable Sectors: Commercial, Industrial, Residential, Multi-Family Residential, New Construction or Retrofit applications are eligible.
Amount:Single-family residential gas-displacing systems: $18.59 per therm displaced
Single-family residential electricity or propane-displacing systems: $$0.54 per kWh displaced
Multi-family and commercial gas-displacing systems: $14.53 per therm displaced
Single-family residential electricity or propane-displacing systems: $$0.42 per kWh displaced
Maximum Incentive:Single-family residential gas-displacing systems: $2,719
Single-family residential electricity or propane-displacing systems: $1,834
Commercial/Industrial/Multi-family: $100,000
Equipment Requirements:Single-family residential: Systems must have SRCC OG-300 certification.
Larger projects: Collectors must have SRCC OG-100 certification.
All systems must have a minimum of a 10-year manufacturer’s performance warranty to protect against defects and 15 percent degradation.
All systems must have a minimum 10-year performance warranty to protect the purchaser against more than a 15 percent degradation of system performance over the 10-year period that may occur as a result of faulty installation.
All systems must have a minimum 1-year warranty on installation labor and workmanship not otherwise covered by the manufacturer’s performance warranty.
Installation Requirements:Systems must be installed by a contractor with an active A, B, c-4, C-36 or C-46 license. Self-installers are not required to be licensed, but must attend a one-day training workshop. Contractors are also required to attend the one-day training workshop.
Web Site:

City of Palo Alto Utilities is offering incentives for their residential, commercial and industrial customers to install solar water heating systems on their homes and facilities with a goal of 1,000 new systems in the city by 2020. Incentives are based on the estimated energy savings.  Single-family residential incentives are capped at $2,719 for gas-displacing systems and $1,834 for electricity or propane-displacing systems. Commercial installations are capped at $100,000.

  City of Palo Alto Utilities SWH Program
c/o California Center for Sustainable Energy
8690 Balboa Ave, Suite 100
San Diego, CA 92123
Phone: (866) 611-CPAU
Fax: (858) 244-1178
Web Site:
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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 2014 - 2015 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.