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Active Power Introduces CleanSource(R) 275XT UPS With 78 Percent Increase in Flywheel Runtime

Enhanced Flywheel UPS Now Delivers Longest Runtime Battery-Free Solution in the Industry

/ -- To meet increasingly shorter runtime requirements and to drive innovation in the uninterruptible power supply (UPS) industry, Active Power (NASDAQ: ACPW), a manufacturer of flywheel energy storage products and modular infrastructure solutions, announced today the introduction of its CleanSource® 275XT UPS. The UPS increases the runtime of its flywheel energy storage system by 78 percent compared to the current CleanSource 300 UPS by spinning the flywheel rotor faster, increasing runtime to one minute at typical industry loads. CleanSource 275XT is a three-phase, parallel online UPS available from 380V to 480V, rated at up to 275 kVA.

The runtime supported by CleanSource 275XT meets the growing industry trend for one minute runtime specifications and battery-free solutions in mission critical environments including data center, health care and industrial and manufacturing applications. The product also provides sufficient ride-through time to protect loads in designs featuring parallel generators or cloud backup. CleanSource 275XT can be paralleled for increase capacity and/or redundancy.

"With the CleanSource 275XT, Active Power sets the standard for the longest runtime UPS with permanent energy storage flywheel that we see in the market today," said Mark A. Ascolese, president and CEO, for Active Power. "The XT product delivers the highest total cost of ownership savings at 40 percent compared to other offerings,1 superior reliability that is proven 12 times less likely to fail2 and emits 9 times less carbon emissions than a battery UPS.3 The combination of high energy efficiency, permanent energy storage and now increased runtime makes CleanSource 275XT the absolute best expenditure of customers' tight capital and operating budgets."

"Active Power introduced its first major enhancement to its core flywheel energy storage units in a long time," said Daniel Bizo, senior analyst, Datacenter Technologies, at 451 Research. "That Active Power is able to offer the same operational benefits of low maintenance, high efficiency and long lifespan for its faster spinning flywheels is a demonstration of technology maturity. The significantly improved ride through times that the new flywheels deliver should make many more operators consider the technology over lead-acid battery banks which are more prone to hidden failures, contain hazardous components and are expensive to replace every 4-5 years."

CleanSource 275XT will be available for shipment to customers worldwide in the fourth quarter 2016. Additional configurations and options will be available in the first half of 2017.

Related Resources
For product data sheets, runtimes at various loads and additional detail on CleanSource 275XT, go to

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Active Power Introduces CleanSource 275XT UPS with 78 Percent Increase in Flywheel Runtime.

About Active Power
Active Power (NASDAQ: ACPW) designs and manufactures flywheel uninterruptible power supply (UPS) systems, modular infrastructure solutions (MIS), and energy storage products for mission critical and renewable applications worldwide. The company's products deliver 40 percent lower total cost of ownership, are proven 12 times less likely to fail and produce nine times less carbon emissions that conventional UPS products. With nearly 5,000 flywheels in systems deployed worldwide to date, Active Power has saved customers an estimated $225 million in electricity and battery replacement costs, reduced 850,000 metric tons of carbon emissions and prevented 16,000 metric tons of lead from being mined, smelted and deployed. Customers are served via Austin and three regional operations centers located in the United Kingdom, Germany and China, that support the deployment of systems in more than 50 countries. For more information, visit

Active Power, CleanSource and Driven by Motion are registered trademarks of Active Power, Inc. The Active Power logo is a trademark of Active Power, Inc.

SOURCE: Active Power, Inc.

1 Active Power whitepaper #119, "Evaluating Total Cost of Ownership for UPS Systems,"

2 Active Power whitepaper #115, "Mitigating Risk of UPS System Failure"

3 Active Power whitepaper #120, "Improving Sustainability with Flywheel UPS,"

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