Rates and Bill Comparison

• Sample Monthly Natural Gas Billing Comparison
• 1990-2010 Residential Bill Comparison*
• 1990-2009 Residential Bill Comparison*
• 1990-2008 Residential Bill Comparison*
• 1990-2007 Residential Bill Comparison*
• 1990-2006 Residential Bill Comparison*
• 1990-2005 Residential Bill Comparison*
• 1990-2004 Residential Bill Comparison*
• 1990-2003 Residential Bill Comparison
• 1990-2002 Residential Bill Comparison*
• 1990-2001 Residential Bill Comparison*
• 1990-2000 Residential Bill Comparison*
• 1990-1999 Residential Bill Comparison*
• Residential Natural Gas Rate and Bill Comparison as of January 2010*
• Residential Natural Gas Rate and Bill Comparison as of January 2009*
• Commercial Natural Gas Rate and Bill Comparison as of January 2010*
• Commercial Natural Gas Rate and Bill Comparison as of January 2009*
• Residential Natural Gas Rate and Bill Comparison as of January 2008*
• Commercial Natural Gas Rate and Bill Comparison as of January 2008*
• Residential Natural Gas Rate and Bill Comparison as of January 2007*
• Commercial Natural Gas Rate and Bill Comparison as of January 2007*
• Residential Natural Gas Rate and Bill Comparison as of January 2006*
• Commercial Natural Gas Rate and Bill Comparison as of January 2006*
• Residential Natural Gas Rate and Bill Comparison as of January 2005*
• Commercial Natural Gas Rate and Bill Comparison as of January 2005*
• Residential Natural Gas Rate and Bill Comparison as of January 2004*
• Commercial Natural Gas Rate and Bill Comparison as of January 2004*
• Residential Natural Gas Rate and Bill Comparison as of January 2003*
• Commercial Natural Gas Rate and Bill Comparison as of January 2003*
• Residential Natural Gas Rate and Bill Comparison as of January 2002*
• Commercial Natural Gas Rate and Bill Comparison as of January 2002*
• Residential Natural Gas Rate and Bill Comparison as of January 2001*
• Commercial Natural Gas Rate and Bill Comparison as of January 2001*
• Commercial Natural Gas Rate and Bill Comparison as of January 2000*
• District of Columbia Jurisdiction Monthly Bill Based on Average Usage - DC Effective Rates*
• Maryland Jurisdiction Monthly Bill Based on Average Usage - MD Effective Rates*
• Virginia Jurisdiction Monthly Bill Based on Average Usage - VA Effective Rates*
• Summary: Monthly Bill Based on Average Usage for DC, MD, & VA Residential - Heating*
• Number of Customer Meters, by Rate Class*
• 2000 Residential Natural Gas Rate and Bill Comparison
• 1999 Residential Natural Gas Rate and Bill Comparison
• 1999 Commercial Natural Gas Rate and Bill Comparison

Lifeline Participation

• 2001-2008 Number of Residential Essential Service (RES) Participants

Retail Natural Gas Competition

• WGL - Month-to-Month Trend Analysis of the PGC Rates (cents/Per therm) - Period 4/97 thru 8/09
• WGL - Year-to-Year Trend Analysis of the PGC Rates (cents/Per therm) - Period 4/97 thru 08/09
• 1999-2009 Delivery Service Analysis Customer Service Participation and Usage
• Commodity Natural Gas Prices to Date*

Wholesale Natural Gas Market

• Wholesale Natural Gas Outlook Tutorial*
• Wholesale Natural Gas Market Assessment as of February 11, 2010*
• Earlier Assessments