Renewable energy information

TEP is committed to promoting the use of renewable energy by residential and commercial customers.

Under the state's Renewable Energy Standard and Tariff (REST), approved in 2008 by the Arizona Corporation Commission (ACC), TEP and other electric utilities in Arizona are required to supply increasing amounts of renewable energy, with a target of 15 percent of total power sales by 2025.

Implementation Plan

View and download TEP’s proposed and approved Renewable Energy Standard and Tariff (REST) Implementation Plan.

2015

2016

Glossary

Terms related to renewable energy

View glossary