ATC Methodology

On 26 May 2011, BC Hydro filed Mandatory Reliability Standards Assessment Report No. 4 to BCUC concluding that the six reliability standards (MOD-001-1a, MOD-004-1, MOD-008-1, MOD-028-1, MOD-029-1a and MOD-030-02) developed by the North American Electric Reliability Corporation are suitable for adoption in British Columbia. On 21 October 2011, pursuant to Order Number G-175-11 BCUC adopts the aforementioned six reliability standards to be effective 30 November 2011.

In compliance, BC Hydro has developed the following documents: Available Transfer Capability Implementation Document (ATCID) and Transmission Reliability Margin Implementation Document (TRMID).