FPL unveils first solar-plus-storage system in the U.S. that can increase solar power plant output
- Cutting-edge battery technology captures surplus energy generated by solar panels when sun's rays are strongest
- First large-scale application of the promising new technology at a solar power plant in the U.S.
DESOTO COUNTY, Fla., Feb. 9, 2018 /PRNewswire/ -- Florida Power & Light Company today unveiled a new, cutting-edge solar-plus-storage system that is believed to be the first in the country to fully integrate battery technology with a major solar power plant in a way that increases the plant's overall energy output.
By incorporating this new technology into the FPL Citrus Solar Energy Center, a solar power plant that was built in 2016, FPL expects to increase the amount of solar energy that the plant can deliver to the electric grid by more than half a million kilowatt-hours a year.
"Every day, we work on new ways to better serve our customers with technology innovations and efficiency improvements. That's how we continue to set the standard for advancing clean energy affordably – including building solar power plants at a lower cost than anybody. Now, with advances in battery storage technologies, we are looking at the next level," said Eric Silagy, president and CEO of FPL, at an event with environmental and community leaders in DeSoto County today. "By harnessing more solar energy from the same power plant, this has the potential to further reduce our fossil fuel consumption and save our customers even more money on their electric bills."
The new system features a 4,000-kilowatt/16,000-kilowatt-hour storage capacity comprised of multiple batteries integrated into the operations of the FPL Citrus Solar Energy Center. In addition to enabling the plant to provide more solar energy to the grid, the battery system is capable of storing the energy and dispatching it to the grid at a later time.
This technology has the potential to harness millions of kilowatt-hours of solar energy a year that would normally be lost and improve the predictability of solar energy, which naturally fluctuates with the sun's availability. Increased predictability enables FPL to more efficiently dispatch other power plants, helping save customers on fuel costs.
The FPL Citrus Solar Energy Center is one of three solar plants FPL operates in Florida's DeSoto County – a community that boasts more solar panels than residents. In addition to the FPL Citrus Solar Energy Center, DeSoto County is home to Florida's first solar power plant, the 25-megawatt FPL DeSoto Next Generation Clean Energy Center, which was the largest of its kind in the nation when it was built in 2009, and the 74.5-megawatt FPL Wildflower Solar Energy Center, which entered service on Jan. 1, 2018.
FPL is in the midst of one of the largest solar expansions ever in the eastern U.S. with more than 520 megawatts – 3.5 million new solar panels – added in the last two years alone and nearly 300 megawatts more scheduled to enter service by March 1. From 2016 to 2023, FPL expects to install a total of more than 10 million solar panels. These advancements continue to improve FPL's carbon emissions profile, which is already approximately 30 percent cleaner than the U.S. industry average.
Moreover, FPL's eight newest solar plants combined are projected to generate more than $100 million in net savings, over and above the cost of construction, for FPL customers. Investments like these help FPL keep rates low for customers over the long term. Today, FPL's typical 1,000-kWh residential customer bill is lower than it was more than 10 years ago and approximately 25 percent lower than the latest U.S. average. (FPL rates are decreasing again on March 1.)
How the cutting-edge new system works
The new solar-plus-storage system unveiled today is the first large-scale application of "DC-coupled" batteries at a solar power plant in the U.S. It has the same advantages of other universal solar-plus-storage installations, such as the ability to store energy and dispatch it to the grid at a later time. A unique advantage of DC-coupled batteries is the ability to harness extra energy that a solar plant generates when the sun's rays are the strongest.
During these optimal operating periods, a solar plant may generate more power than its inverters can process, resulting in some energy inevitably being lost – or "clipped" by the inverter. Unlike other batteries, a DC-coupled system can capture this extra clipped energy, thereby increasing the amount of energy the plant delivers to the grid.
The additional solar energy and the increased predictability afforded by battery storage can enable FPL to more efficiently dispatch other power plants, helping save customers on fuel costs.
For several years, FPL and other NextEra Energy companies have been researching and testing battery-storage technologies to study a variety of potential benefits ranging from grid stabilization to improved solar integration. Currently, NextEra Energy companies operate approximately 130 megawatts of batteries with more than 100 megawatt-hours of storage capacity.
In 2016, FPL commissioned several battery-storage pilot projects to test different applications under real-world operating conditions. Systems are currently being tested at Everglades National Park's Flamingo Visitor Center, the Crandon Tennis Center on the island of Key Biscayne as well as other locations across south Florida. Learnings from these pilots are being applied to FPL's future plans.
Under the rate agreement supported by the state's consumer advocate and approved unanimously by the Florida Public Service Commission in 2016, FPL plans to develop 50 megawatts of battery storage over the next few years.
More information about solar in Florida and FPL's solar investments
Florida ranks ninth in the nation for solar resource – the strength of the sun's rays – making it a great place for solar. One of the cleanest electric utilities in the nation, FPL projects that solar will outpace coal and oil combined as a percentage of the company's energy mix by the year 2020.
FPL has been studying and operating solar in Florida for more than three decades. In 1984, FPL commissioned its first universal solar installation, a 10-kilowatt photovoltaic facility in Miami that helped the company's employees gain experience with the then-emerging technology. Over the years, FPL has continued to test and operate a wide variety of solar technologies. In 2016, FPL became the first company to build solar cost-effectively in Florida, leveraging its purchasing power and sites with key advantages to complete three 74.5-megawatt solar power plants projected to produce net savings for FPL customers.
FPL is the largest generator of solar energy in Florida with 10 major solar power plants and numerous other universal solar installations, totaling more than 635 megawatts of capacity, including:
- FPL Horizon Solar Energy Center, Alachua and Putnam counties
- FPL Coral Farms Solar Energy Center, Putnam County
- FPL Indian River Solar Energy Center, Indian River County
- FPL Wildflower Solar Energy Center, Desoto County
- FPL Babcock Ranch Solar Energy Center, Charlotte County
- FPL Citrus Solar Energy Center, DeSoto County
- FPL Manatee Solar Energy Center, Manatee County
- FPL Martin Next Generation Clean Energy Center (hybrid solar/natural gas), Martin County
- FPL DeSoto Next Generation Solar Energy Center, DeSoto County
- FPL Space Coast Next Generation Solar Energy Center, Brevard County
- FPL Solar Circuit at Daytona International Speedway, Volusia County
- Solar research installation at Florida International University, Miami-Dade County
- Numerous FPL SolarNow arrays in local communities
Also, four more new solar power plants are on track to enter service by March 1, 2018:
- FPL Barefoot Bay Solar Energy Center, Brevard County
- FPL Blue Cypress Solar Energy Center, Indian River County
- FPL Hammock Solar Energy Center, Hendry County
- FPL Loggerhead Solar Energy Center, St. Lucie County
In addition to the above, FPL has installed small-scale solar arrays for more than 100 Florida schools and other educational facilities. For more information, visit www.FPL.com/solar.
Florida Power & Light Company
Florida Power & Light Company is the third-largest electric utility in the United States, serving approximately 5 million customer accounts or an estimated 10+ million people across nearly half of the state of Florida. FPL's typical 1,000-kWh residential customer bill is approximately 25 percent lower than the latest national average and, in 2016, was the lowest in Florida among reporting utilities for the seventh year in a row. FPL's nationally recognized service reliability is better than 99.98 percent, and its highly fuel-efficient power plant fleet is one of the cleanest among all utilities nationwide. The company received the top ranking in the southern U.S. among large electric providers, according to the J.D. Power 2016 Electric Utility Residential Customer Satisfaction StudySM, and was recognized in 2016 as one of the most trusted U.S. electric utilities by Market Strategies International. A leading Florida employer with approximately 8,900 employees, FPL is a subsidiary of Juno Beach, Florida-based NextEra Energy, Inc. (NYSE: NEE), a clean energy company widely recognized for its efforts in sustainability, ethics and diversity, and has been ranked No. 1 in the electric and gas utilities industry in Fortune's 2017 list of "World's Most Admired Companies." NextEra Energy is also the parent company of NextEra Energy Resources, LLC, which, together with its affiliated entities, is the world's largest generator of renewable energy from the wind and sun. For more information about NextEra Energy companies, visit these websites: www.NextEraEnergy.com, www.FPL.com, www.NextEraEnergyResources.com.
Cautionary Statements and Risk Factors That May Affect Future Results
This news release contains "forward-looking statements" within the meaning of the safe harbor provisions of the Private Securities Litigation Reform Act of 1995. Forward-looking statements are not statements of historical facts, but instead represent the current expectations of NextEra Energy, Inc. (NextEra Energy) and Florida Power & Light Company (FPL) regarding future operating results and other future events, many of which, by their nature, are inherently uncertain and outside of NextEra Energy's and FPL's control. Forward-looking statements in this news release include, among others, statements concerning future operating performance. In some cases, you can identify the forward-looking statements by words or phrases such as "will," "may result," "expect," "anticipate," "believe," "intend," "plan," "seek," "potential," "projection," "forecast," "predict," "goals," "target," "outlook," "should," "would" or similar words or expressions. 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impairment of NextEra Energy's and FPL's liquidity from inability of credit providers to fund their credit commitments or to maintain their current credit ratings; poor market performance and other economic factors that could affect NextEra Energy's defined benefit pension plan's funded status; poor market performance and other risks to the asset values of NextEra Energy's and FPL's nuclear decommissioning funds; changes in market value and other risks to certain of NextEra Energy's investments; effect of inability of NextEra Energy subsidiaries to pay upstream dividends or repay funds to NextEra Energy or of NextEra Energy's performance under guarantees of subsidiary obligations on NextEra Energy's ability to meet its financial obligations and to pay dividends on its common stock; the fact that the amount and timing of dividends payable on NextEra Energy's common stock, as well as the dividend policy approved by NextEra Energy's board of directors from time to time, and changes to that policy, are within the sole discretion of NextEra Energy's board of directors and, if declared and paid, dividends may be in amounts that are less than might be expected by shareholders; NEP's inability to access sources of capital on commercially reasonable terms could have an effect on its ability to consummate future acquisitions and on the value of NextEra Energy's limited partner interest in NextEra Energy Operating Partners, LP; and effects of disruptions, uncertainty or volatility in the credit and capital markets on the market price of NextEra Energy's common stock. NextEra Energy and FPL discuss these and other risks and uncertainties in their annual report on Form 10-K for the year ended December 31, 2016 and other SEC filings, and this news release should be read in conjunction with such SEC filings made through the date of this news release. The forward-looking statements made in this news release are made only as of the date of this news release and NextEra Energy and FPL undertake no obligation to update any forward-looking statements.
SOURCE Florida Power & Light Company
For further information: Florida Power & Light Co., Media Line: 561-694-4442, @FPL_Newsroom