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SEPTA subways go hybrid with lossless battery storage system

Philadelphians know SEPTA's Market-Frankford El as the Blue Line. But a new pilot program, which stores leftover power from the subway's regenerative braking system in a massive battery, would make the Blue Line a little greener, and provide SEPTA some much-needed capital.

Earlier this month, SEPTA and Conshohocken smart-grid firm Viridity Energy announced receipt of $900,000 from the Pennsylvania Energy Development Authority to install a massive storage battery--about the size of a cement truck--at SEPTA's Kensington electrical substation. The current regenerative braking system transmits electricity, collected as trains enter stations, to other electric vehicles. But if no other vehicles are in range, the electricity is lost. The battery, capable of storing up to a megawatt of electricity, would siphon energy to be resold to the power grid. Viridity estimates that this one battery will generate $500,000 a year in clean, green profit. SEPTA has already applied for new funding to install these battery systems at all 33 substations across their service area.

"With this technology, SEPTA can be very strategic with their power; when they are using it, when they are storing it and when they are selling it back into the grid," says Viridity Director of Business Development Laurie Actman. "At peak periods, the grid is willing to pay premium prices for sources of reliable load."

Since 2008, SEPTA has struggled to execute capital improvements to its transit infrastructure. Most recently, a proposed switch to SmartCards has drawn scrutiny from city media and transit bloggers. When Governor Ed Rendell made a play to turn state thoroughfare I-80 into a federal toll road, he promised a chunk of the resulting revenue to SEPTA. Since Rendell's proposal was defeated, SEPTA has been looking for other ways to fund improvements, from fare hikes to advertising on the sides of trains. The battery system technology could be the answer they have been looking for that will finally bring the Philadelphia subway into the 21st century.

"As we all know, SEPTA has always had a constrained budget and not enough money to invest in its infrastructure," says Actman. "For so long, SEPTA's infrastructure, that was built nearly a century ago, has been a liability. We are turning that into an opportunity."

Source: Laurie Actman, Viridity Energy
Writer: John Steele

City's most involved young professionals imagine Philly's future with city-wide summit

Studies in recent years have revealed that while Philadelphia welcomes up to 50,000 freshman to its colleges and universities every year, less than half remained in the region after graduation. That statistic, in part, is what motivates Young Involved Philadelphia, a comprehensive network of young professionals and student groups producing advocacy campaigns and social events to make Philly a better place to live.

This week, the group opens the State of Young Philly: Imagining Philly's Future summit, a massive, two-week event hosting over 30 partnering organizations for speeches, roundtable discussions and brainstorming sessions to make Philadelphia a more attractive place for young people. The summit will focus on four key areas--Community Engagement and Volunteerism, Government and Leadership, Business and Entrepreneurship, and Arts and Culture--in an effort to "engage, educate and empower" young Philadelphia.

"For the first time since the '50s, the city is gaining population, and although we don't have the newest census data yet, we would venture a guess that this growth is due partly to an increasingly vibrant youth culture," says YIP board chair Claire Robertson-Kraft.

With speakers as varied as former Mayor John Street and the Mural Arts Program's Jane Golden, the summit hopes to gain a wide-reaching perspective that can be gleaned into an agenda ranking priorities and creating concrete deliverables. This agenda will inform an ongoing blog and will serve as YIP's action plan for the coming year. YIP hopes to make the summit an annual event, creating a constant barometer on youth culture in Philadelphia.

"The most important thing we hope people take away from the event is a sense of empowerment," says Robertson-Kraft. "As young Philadelphians, we should be organizing, demonstrating our ability to contribute to the debate, and doing more to ensure our voices are heard."

Source: Claire Robertson-Kraft, Young Involved Philadelphia
Writer: John Steele

47 Fishtown Articles | Page: | Show All
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