| Units: | GJ (Metric), MMBtu (U.S. Imperial) |
| Mode: | Output Only |
| Multi-band: | False |
| Default Value: | |
| Validation Rule: | |
| Key Property: | No |
| Description: | Quantity of gas pipeline flow in backward direction |
Gas Zone Back Zone Flow is the sum of gas pipeline flow in backward direction over all intrazonal gas pipelines.