Edison Mission is among the larger US wind developers and operators with projects in 10 states. It is sole owner of 1.486GW installed capacity, according to spokesman Charles Parnell. No projects remain under construction with the final two totalling 122MW in Nebraska coming into commercial operation the second half of this year.

Parent company Edison International hopes to win approval from the US Bankruptcy Court for the Northern District of Illinois for its proposal to spin off most parts of Edison Mission to creditors holding $3.7bn