Energy Efficient Lighting Upgrades for City Buildings

The City has taken another exciting step toward reducing energy use by performing lighting upgrades at the Coffon Building, Engine 8 (Taylor Square), Fire Headquarters and three buildings at the Cambridge Cemetery. Existing lights within these facilities have been replaced with high-efficiency lamps and fixtures, and occupancy sensors have been installed in many locations throughout the buildings in order to reduce energy use and costs even further. Projected energy savings from these lighting efficiency upgrades is an estimated 130,000 kilowatt hours/year, resulting in avoided costs of approximately $18,000/year for the City. These energy savings represent averting close to 200,000 pounds of carbon dioxide emissions into the atmosphere annually, the equivalent of removing 18 cars from the road!

The electric use of these buildings will continue to be monitored as part of the City’s Green Community commitment to reduce energy use by 20% from its FY08 baseline. Energy efficient lighting technologies have been installed in 22 municipal buildings over the past two years with a projected total savings of 1.3 megawatt hours/year.

Stay tuned for future energy efficiency upgrades!

Wireless Electricity is Green

Wireless Electricity (or the concept) has been around since 1890 when Nicholas Tesla built a 200 ft, 100,000 watt tower that sent 130 ft bolts into the sky and turned the grass blue. Now, thanks to MIT Asst. Professor and 2008 MacArthur Genius Grant Winner, Marin Soljacic, wireless electricity is close to reality. And it’s greener than you think:

But wireless technology is not only neater (say good-bye to the power-strip Medusa under your office desk), it’s cleaner. The EPA says Americans purchase a total of 3 billion disposable dry-cell batteries every year (part of a worldwide market of about 15 billion) and then throw 2.8 billion of them into landfills. Wireless systems are designed for rechargeable batteries that can be reused hundreds of times before they become trash. Continue reading