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Rockies Express (REX)
1Zone 3 E2W pipeline design capacity utilization is daily scheduled quantities into pipeline Segment 390, which is Chandlersville CS to Clarington, divided by the stated 1.8 Bcf/d of east-to-west pipeline design capacity. We believe E2W pipeline design capacity best reflects how "full" Zone 3 is on a particular day.
Note: Total REX east-to-west pipeline design capacity will grow to 2.6 Bcf/d following the completion of the REX Zone 3 Capacity Enhancement Project, which is expected to go into service in 4Q16.
2Although REX schedules to 1.8 Bcf/d, confirmation reductions may result in slightly lower confirmed quantities.
3Zone 3 receipt operating capacity is total scheduled quantities into the individual Zone 3 receipt points divided by the total operating capacities of those various receipt points. The collective sum of these scheduled receipt quantities can be somewhat greater than the scheduled volumes into Segment 390. However, the amount of gas that can flow west in Zone 3 is limited by the 1.8 Bcf/d of E2W pipeline design capacity.