• Case study

    The City of Houston’s retrofit program covers a portfolio of 271 city buildings encompassing 11 million square feet. Similar buildings are grouped into sub-projects, or tranches, and retrofit together; the implementation of each tranche is phased over time. This particular case study provides an overview of the Schneider Electric/ T.A.C.’s and Siemens’ Tranche 2 retrofits. The retrofit program became a keystone of former Mayor Bill White’s commitment to transform Houston from “energy capital” of the world to the “energy conservation capital” of the world and has since been a foundation element for current Mayor Annise Parker’s sustainability initiatives. 

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  • Case study

  • Case study

    The Austin City Council approved three new wind contracts totaling 570 megawatts. Even with a short-term wind contract expiring in 2015 this will bring Austin Energy’s total wind portfolio to 1,225 MW and puts the utility four years ahead of schedule for meeting its 35% renewable energy resources goal by 2020. This is one of the most aggressive targets for renewable energy in the U.S. and makes Austin Energy among the greenest utilities in the country.

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  • Case study

  • Case study

    District energy is a major part of Vancouver’s effort to reduce its carbon emissions 33% by 2020 from a 2007 baseline, as outlined in its Greenest City Action Plan. The aim of Vancouver’s district energy strategy is to facilitate the conversion of legacy steam heat systems to lower carbon fuel sources and promote the development of new low-carbon systems in high-density areas of the City.

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