AQ calculation process for Small Supply Points

26th March - 11th April

AQ calculation process for Large Supply Points

1st May - 15th May

Small Supply Point and Threshold Crosser T04 Files sent to Industry

19th - 30th May

Small Supply Point AQ Amendment Window Opens

1st June

Start of BSSOQ Review Process

8th June

Large Supply Point T04 Files sent to Shippers

20th - 30th June

Large Supply Point Amendment Window Opens

1st July

First release of MOD81

1st July

BSSOQ Files sent to Shippers

10th July

AQ Appeals Window Closes

31st July

Second release of MOD81

3rd August

Final day of Shipper Amendment files

13th August

Offer addenda process

29th August - 30th September

EUC files sent to Shippers

1st September

IX NRO/NRL files sent to Shippers

10th September

AQ Appeals Window Opens

14th September

Delay in producing TRF/MRI files

23rd - 25th September

Final AQ implemented - Go Live

1st October

Outage on IAD system

1st October

Delay in producing TRF/MRI files

2nd - 5th October

Final release of MOD81

30th October