"Russia is now asking close to $500 for 1,000 cubic meters of gas, the standard unit for gas trade in Europe, which is a price about a third higher than what Russia’s gas company, Gazprom, charges clients elsewhere."

http://www.nytimes.com/2014/03/24/world/europe/russia-steps-up-economic-pressure-on-kiev.html?partner=rss&emc=rss&_r=2