appropriate once additional details are announced. For the purposes of this Application, Enbridge Gas has assumed it will be subject to the OBPS in 2021. Any cost impacts to the Facility Carbon Charge due to a change in the estimated OBPS compliance obligation will be included in Enbridge Gas’s future FCPP applications for disposition of FCPP-related deferral and variance account balances.

2. ENBRIDGE GAS'S OBLIGATIONS UNDER THE GGPPA

15 The GGPPA, s.55 (1); The GGPPA requires registration of distributors of marketable or non-marketable natural gas. The GGPPA defines “marketable natural gas” as natural gas that consists of at least 90% methane and that meets the specifications for pipeline transport and sale for general distribution to the public. The GGPPA defines “non-marketable natural gas” as natural gas other than marketable natural gas.

16 The GGPPA, s.57(1).