Press Release | October 21, 2015

ACEEE State Scorecard: Massachusetts Edges Out California as Most Energy-Efficient State, Maryland Among Most Improved

Top 10 States Ranked in Energy Efficiency Scorecard: MA, CA, VT, RI, OR, CT, MD, WA, NY … With MN and IL Tied for 10th; Five Most Improved States: MD, IL, DC, CA, and TX; and Five States in Most Need of Improvement: MS, LA, SD, WY, and ND.

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Press Release | October 21, 2014

Massachusetts Tops California as Most Energy-Efficient State, while Arkansas, D.C., Kentucky, and Wisconsin are Most Improved

Top 10 States are MA, CA, RI, OR, VT, CT, NY, WA, MD, and MN; 5 States Most in Need of Improvement are ND, WY, SD, MS, and AK

Washington, D.C.—Governors and lawmakers in state capitals across the nation continue to take major steps to lower energy costs, reduce pollution, and save consumers money by increasing their states’ energy efficiency, according to the findings of the 8th edition of the State Energy Efficiency Scorecard released today by the American Council for an Energy-Efficient Economy (ACEEE).

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Press Release | November 6, 2013

Massachusetts Most Energy-Efficient State in 2013 with California Close Behind at #2, Mississippi is Most Improved

Top 10 States Ranked in Energy Efficiency Scorecard: MA, CA, NY, OR, CT, RI, VT, WA, MD, and IL

5 States Most Needing Improvement : ND, WY, SD, AK, MS

5 Most Improved States: MS, ME, KS, OH, and WV

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Press Release | September 20, 2011

Study: Energy Efficiency Loan Financing Proving to be a Low Risk Investment with Large-Scale Potential

Energy Efficiency Loan Programs Default Rates Range from 0–3% and Remained Largely Unchanged During Housing Bubble Collapse


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Press Release | June 15, 2011
Blog | April 1, 2010
Blog | October 21, 2009

The 2009 State Energy Efficiency Scorecard

In 2009, energy efficiency has risen to a new level of recognition in the U.S.

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Blog | September 9, 2009

Waxman-Markey (H.R. 2454) 50 States Analysis

In June 2009, the House of Representatives passed the American Clean Energy and Security Act of 2009 (ACESA). This climate and energy legislation included a number of provisions intended to help the U.S. reduce energy use through various energy efficiency measures, which have largely been overlooked in recent discussions and analyses of ACESA. When analyses ignore the readily available benefits from energy efficiency they distort how energy and climate legislation, such as ACESA, could affect American consumers and the U.S. economy.

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Blog | January 8, 2007

States Tap Efficiency As "First Fuel" in the Race for Clean Energy

While a shift in Congressional leadership promises a more serious focus on energy efficiency and other clean energy issues in the new year, states have not been standing idly by. The most significant state energy efficiency policy initiatives in recent months include ones on climate policy, energy efficiency resource standards (EERS), and new efficiency initiatives by utilities.

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