Transmission Workstream 1st February 2007 Capacity Transfers Transmission Workstream 1st February 2007

Scope of Inter-nodal Capacity Transfers / Trades Constrained Period Shipper led process Unconstrained NGG led process Entry Trades (sold capacity) Transfers (unsold capacity) Transfer of unsold capacity in response to User signals. Intent is to minimise NTS investment. Exit NB – Mod 116v would permit inter-zonal exit (flex) capacity trades

Capacity Release Methodology Statements Constrained Period Unconstrained Entry Entry Capacity Transfer Rate Methodology Statement Entry Capacity Trade Rate Methodology Statement Incremental Entry Capacity Release Methodology Statement (SC C15) Exit Exit Capacity Baseline Revision Methodology Statement Exit Capacity Release Methodology Statement (SC C18) * New statements required under the proposed licence