The City of Philadelphia is using new geothermal technology to harness energy from wastewater to meet energy conservation objectives and save a projected $15,000 annually.
Mayor Michael Nutter launched the Greenworks Philadelphia initiative in 2008, aimed at making his community the No. 1 green city in America. In alignment with Greenworks Philadelphia, the Philadelphia Water Department (PWD) developed a strategic plan to meet energy conservation and generation objectives and formed a four-person energy team to identify and evaluate green energy opportunities.
Looking at sewage
The PWD provides water, wastewater and stormwater services for the
