Southwest Gas Corporation - Smarter Greener Better Solar Water Heating Program

February 21, 2014


Note: Effective July 15, 2013, Southwest Gas is no longer accepting applications for the current program year. Systems installed during the current program year will not be eligible for a rebate in the next program year, which is anticipated to begin June 1, 2014. See the website above for more details. 

Southwest Gas Corporation provides a financial incentive for its customers to install solar water heating systems. Rebates of $15.00/therm, capped at 50% of system cost, are available for residential and commercial solar water heaters, and commercial solar pool heaters. Residential solar pool heaters are ineligible.See the program web site for more details.

Program Overview

Implementing Sector: Utility
Category: Financial Incentive
State: Arizona
Incentive Type: Rebate Program
Web Site:
Administrator: Southwest Gas Corporation
Start Date:
Eligible Renewable/Other Technologies:
  • Solar Water Heat
  • Solar Pool Heating
Incentive Amount: $15.00/therm
Maximum Incentive: 50% of system cost
Equipment Requirements: An OG-300 certification that is issued by the Solar Rating and Certification Corporation (SRCC), or International Association of Plumbing and Mechanical Officials (IAPMO), or any other Nationally Recognized Testing Laboratory (NRTL) or American National Standards Institute (ANSI) accredited laboratory pre-approved by Southwest Gas, or an OG-100 certification or similar certification which is appropriate for the specific type of property and is issued by the SRCC, IAPMO or any other NRTL or ANSI accredited laboratory pre-approved by Southwest Gas. OG-100 certification also requires a professional engineer’s review and estimate of savings.
Installation Requirements: Equipment must be installed by a Program Qualified Contractor


Name: Solar Water Heating Program
Phone: (855) 743-1603

This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.