Sample of topics:
Lighting and Compact Fluorescent Lighting over 10,000 Hours July 12, 2011 XLS
Carbon Dioxide Emissions from Lighting and the Global Light-duty Vehicle Fleet, 2005 July 12, 2011 XLS
Cumulative Installed Geothermal Electricity-Generating Capacity by Country, 1990-2010 June 16, 2011 XLS
U.S. Cumulative Installed Geothermal Electricity-Generating Capacity by State, 2010 June 16, 2011 XLS
World Cumulative Installed Geothermal Electricity-Generating Capacity, 1950-2010 June 16, 2011 XLS
Confirmed U.S. Geothermal Power Projects Under Development as of April 2011 June 16, 2011 XLS
Geothermal Electricity-Generating Capacity in Top 10 Countries, 2010 June 16, 2011 XLS
Countries that Could Meet 100 Percent of Electricity Demand with Geothermal Energy June 16, 2011 XLS
Cumulative Installed Wind Power Capacity in Japan, 2000-2010 April 07, 2011 XLS
Energy Consumption by Source in Japan, 1980-2008 April 07, 2011 XLS
Cumulative Installed Geothermal Electricity-Generating Capacity in Japan, 1990-2010 April 07, 2011 XLS
Electricity Generation by Source in Japan, 1980-2009 April 07, 2011 XLS
Cumulative Solar Photovoltaics Installations in Japan, 1992-2010 April 07, 2011 XLS
Ratio of Record Daily Highs to Record Daily Lows in the Contiguous United States by Decade, 1950-2009 January 18, 2011 XLS
Atmospheric Carbon Dioxide Concentration, 1000-2010 January 18, 2011 XLS
Many, many, many more at
http://www.earth-policy.org/data_center/C23