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CSI Single-Family Affordable Solar Homes (SASH) Program

The California Solar Initiative’s Single-family Affordable Solar Homes (SASH) Program has issued the July 2015 edition of the SASH Semi-Annual Progress Report, which provides detailed information on the program's progress in each of the three service territories in California. The program is managed by GRID Alternatives, an Oakland-based non-profit organization.

Recent highlights and milestones of the program include:

  • A total of 4,883 PV systems have been installed and interconnected.
  • 308 project have been reserved and are awaiting installation or interconnection.
  • 248 applications are under review.
  • In total, these projects have or will receive approximately $90 million in incentives and represent 16.5 MW of solar capacity.
  • The SASH program has helped enroll 5,145 low-income homeowners into the utilities' Energy Savings Assistance (ESA) programs and has trained over 17,900 volunteers.

AB 217 Implementation

Assembly Bill 217 (Bradford, 2013) extended the SASH and MASH programs of the California Solar Initiative with $108 million in new funding, and set several new goals for the programs. To read the Energy Division’s July 2014 staff proposal regarding the implementation of AB 217 at the Commission, please visit this link. For this and all other documents released in the Commission’s R.12-11-005 rulemaking, please visit the R.12-11-005 Docket Card page.

On January 29, 2015, the CPUC approved a decision to revise SASH’s enrollment eligibility requirements, capacity target, job training requirements, incentive levels, and allow third-party project ownership.

On April 29, 2015 the CPUC approved the SASH Handbook , outlining information and guidelines for the reauthorized SASH program.


The Energy Division has hired Navigant Consulting, Inc. to perform in-depth evaluations of CSI SASH and MASH program design, delivery, operations, and impact in 2014 and 2015. This new round of program evaluation will build upon the previous SASH and MASH studies completed in 2011, available through the links below. Energy Division staff anticipates the release of three reports by the end of 2015: a program administrator and market assessment, a benefit-cost analysis, and a summary of program design recommendations encompassing both programs.

On August 4, 2011, Navigant Consulting, Inc issued the California Solar Initiative SASH and MASH Low-Income Evaluations

On August 4, 2011, Navigant Consulting, Inc issued the CSI SASH and MASH Impact and Cost Benefit Report.

On June 10, 2011, Navigant Consulting, Inc issued the CSI SASH Biennial Report.

On April 5, 2011, Navigant Consulting, Inc issued the CSI SASH and MASH Program Administrator Performance Assessment Report (March 2011), which provides an evaluation of the SASH program.

On April 1, 2011, Navigant Consulting, Inc issued the CSI SASH and MASH Market Assessment Report, which provides an evaluation of the SASH program.

Program Administrator

The SASH Program is managed by GRID Alternatives. Please contact Grid Alternatives with eligibility questions, program applications, solar and energy efficiency questions and in identifying loans, grants and other financing options. Please contact GRID Alternatives toll-free at (866)921-4696, or by email at or visit their website at

About SASH

The California Solar Initiative (CSI) has a Single-family Affordable Solar Homes (SASH) Program that provides solar incentives on qualifying affordable single-family housing. The goals of the SASH program are to:

  • Decrease electricity usage by solar installation and reduce energy bills without increasing monthly expenses
  • Provide full and partial incentives for solar systems for low-income participants
  • Offer the power of solar and energy efficiency to homeowners
  • Decrease the expense of solar ownership with a higher incentive than the General CSI Program
  • Develop energy solutions that are environmentally and economically sustainable
  • Provide job training and employment opportunities in the solar energy and energy efficiency sectors of the economy.

The SASH program provides qualified low-income homeowners fixed, up front, capacity-based incentives to help offset the upfront cost of a solar electric system.

Eligible applicants must:

  • Receive electrical service from Pacific Gas & Electric (PG&E), Southern California Edison (SCE), or San Diego Gas & Electric (SDG&E),
  • Own and live in their home,
  • Have a household income that is 80% or below the area median income (AMI),
  • Live in a home defined as “affordable housing” by California Public Utilities Code 2852.

The SASH program offers one incentive level of $3 per watt

For additional information on the CSI SASH Program, please consult the SASH Program Handbook.

For more information on the launch of the CSI Single-family Affordable Solar Homes Program, please read the CPUC regulatory decision that originally authorized the program and the January 2015 decision that reauthorized the program. You may also contact the CPUC's Distributed Generation team with regulatory questions.


Last Modified: 10/2/2015

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