Cobb Electric Membership Corp. violated a 2008 settlement with unhappy members who accused some co-op leaders of enriching themselves at members’ expense, the Georgia Supreme Court ruled today. Dissident members hoped to unseat board members in a scheduled 2009 election that was never held after the EMC’s leadership voted in secret to allow proxy voting by mail. The high court ruled the board may not unilaterally change the method by which its members are chosen.