Emissions Methodology (as of June 2008)
Methodology for North American Natural Gas Markets (as of July 2008)
Platts European Gas Methodology (as of December 2007)
Platts-ICE Forward Curve -- Natural Gas (North America) (as of October 2007)
Methodology: Frequently Asked Questions (as of April 2006)
Platts US Spark Spreads Methodology (as of April 2001)

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(Right-click on the link to save file to your desktop, then open file with a spreadsheet application to view file.)
Liquidity in North American Monthly Gas Markets (as of July 2008)
(Right-click on the link to save file to your desktop, then open file with a spreadsheet application to view file.)
European Power—Frequently Asked Questions (currently being updated)

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