It was planned that the first regional control centres would go live in spring 2011 with the full system expected in place by the end of 2012 .
The May 2010 announcements put these plans in doubt .
It was planned that the first regional control centres would go live in spring 2011 with the full system expected in place by the end of 2012 , but the May 2010 announcements put these plans in doubt .