TEP to Supply Homes with Pricing Solar Energy by 100MW Solar Array

published: 2017-05-23 18:35 | editor: | category: News

Tucson Electric Power (TEP) will buy solar energy at a historically low price from a new local system large enough to power 21,000 homes.

The new 100MW solar array and an accompanying 30MW energy storage system are expected to be in service by the end of 2019. Together with a planned 100MW wind project, the new system will give TEP a renewable portfolio that produces enough clean energy each year to serve the annual electric needs of nearly one out of every three Tucson homes. Excluding the cost of storage, TEP will buy the system’s output for 20 years for less than three cents per kilowatt hour – less than half as much as it agreed to pay under similar contracts in recent years.

“This new local system combines cost-effective energy production with cutting edge energy storage, helping us provide sustainable, reliable and affordable service to all of our customers for decades to come,” said Carmine Tilghman, Senior Director of Energy Supply and Renewable Energy for TEP.

TEP’s customers currently pay nearly four times as much for most excess energy from rooftop solar power systems. While the cost of power from large-scale solar arrays has fallen nearly 75 percent over the last five years, the rate at which TEP compensates rooftop solar customers for excess solar energy has risen to historically high levels.

“Focusing our resources on the development of cost-effective community scale systems allows us to provide more solar energy to more customers for less money,” Tilghman said. “The best way to help solar grow in our community is by planning and siting systems in an organized, responsible and equitable manner.”

An affiliate of NextEra Energy Resources will build, own and operate the system on a site owned by the City of Tucson located inside TEP’s service territory south of the metropolitan area. The system will become TEP’s largest dedicated renewable energy resource, supplanting the 80 MW Red Horse wind and solar system near Wilcox at the top of the company’s green power portfolio.

“We are pleased to partner with Tucson Electric Power on this exciting new renewable energy project," said Mike O'Sullivan, senior vice president of Development for NextEra Energy Resources, the world's largest generator of renewable energy from the wind and the sun. "In addition to clean, low-cost energy, this project will create good-paying jobs and increased tax revenue for the state and local community.”

NextEra Energy Resources also will build and operate a long duration battery storage system on the site that will help integrate renewable energy resources into TEP’s local energy grid. The storage system will be capable of providing up to 120 megawatt-hours of power.

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