European Union emissions trading climbed 64 percent in September from a year earlier while natural gas volumes declined 22 percent, according to London Energy Brokers’ Association.

Total carbon contracts bought and sold via brokers in London rose to 343 million metric tons, while 1,590 gigawatt- hours of gas were bought and sold in Europe, the industry group said in its monthly volume report sent by e-mail today. That compares with 210 million tons of emissions permits and 2,047 gigawatt-hours of gas contracts in September last year.

Total traded volumes of power contracts advanced 2 percent from a year earlier.

The following table is a summary of LEBA’s data for September and the year-on-year change.

                                                        Percent
                                                   year-on-year
Market              Volume           Unit                change
U.K. Gas (NBP)     794,470,441      Megawatt-hours         -32
Dutch Gas (TTF)    539,551,890      Megawatt-hours         -14
German Power       368,371,608      Megawatt-hours          -4
U.K. Power          57,376,311      Megawatt-hours         -36
European Coal      100,770,000      Metric tons            -33
Emissions          343,296,284      Metric tons            +64

To contact the reporter on this story: Rachel Morison in London at rmorison@bloomberg.net

To contact the editor responsible for this story: Lars Paulsson at lpaulsson@bloomberg.net