Energy Update

MOSCOW, July 24 (Reuters) - Russian gas company Gazprom said on Friday it had lodged a case against Turkmenistan's Turkmengaz at the international arbitration court in Stockholm over the price in a supply contract.

LONDON, July 24 (Reuters) - British temporary power firm Aggreko warned that its annual profit would come in at least 8 percent lower than currently expected due to less favourable contract terms and a further slowdown in its oil and gas business in North America.

(Fri, 24 Jul 2015) Large-scale electricity storage technologies are currently limited in use, with pumped hydroelectric storage accounting for more than 98% of total storage capacity. However, nonhydro storage is increasing, and there is considerable interest in developing new storage technologies with attractive costs and operating characteristics. Power-to-gas conversion is a potential storage solution that is undergoing advanced study and approaching commercial application.

BEIJING, July 24 (Reuters) - The vast majority of firms covered by China's pilot carbon emission exchanges met their targets this year, but success was achieved largely by flexible regulations and a supply glut that kept permits cheap, participants said.<