This is really good news - it will not only generate paychecks, it will save a lot of energy. (Props to President Obama!) Bill Clinton talked about this at length at the blogger meeting I attended a few years ago, I was surprised at the huge potential savings in retrofitting:

WASHINGTON, DC – President Obama today announced nearly $4 billion in combined federal and private sector energy upgrades to buildings over the next 2 years. These investments will save billions in energy costs, promote energy independence, and, according to independent estimates, create tens of thousands of jobs in the hard-hit construction sector.

The $4 billion investment announced today includes a $2 billion commitment, made through the issuance of a Presidential Memorandum, to energy upgrades of federal buildings using long term energy savings to pay for up-front costs, at no cost to taxpayers. In addition, 60 CEOs, mayors, university presidents, and labor leaders today committed to invest nearly $2 billion of private capital into energy efficiency projects; and to upgrade energy performance by a minimum of 20% by 2020 in 1.6 billion square feet of office, industrial, municipal, hospital, university, community college and school buildings.

This announcement builds on a commitment made by 14 partners at the Clinton Global Initiative America meeting in June to make energy upgrades across 300 million square feet, and to invest $500 million in private sector financing in energy efficiency projects.