Editing Leiston (section)

===Business===
Since the closure of Garrett's, the town's economy has been dominated by [[Sizewell nuclear power stations|two nuclear power stations]] on the coast at [[Sizewell]]: the now decommissioned [[Magnox]] reactors of Sizewell A, and the more modern 1,200 MW [[Pressurised Water Reactor]] of Sizewell B. The 850 MW [[Greater Gabbard wind farm|Greater Gabbard and Galloper offshore wind farm]]s connect to the Leiston substation adjacent to the Sizewell nuclear power station;<ref>{{cite web |title=Annual Report and Group Financial Statements |url=https://ggofto.co.uk/wp-content/uploads/2021/07/210331-Greater-Gabbard-OFTO-Holdco-March-2021.pdf |publisher=Greater Gabbard OFTO |date=2021}}</ref> all supplying power to the 400kV [[National Grid (Great Britain)|National Grid]].<ref>{{cite web |title=Appendix B |url=https://www.nationalgrideso.com/document/181721/download |publisher=[[National Grid (Great Britain)]] |date=2 December 2020 |quote=Leiston 400 kV}}</ref>

A number of smaller companies operate from industrial areas within the town.

Leiston's High Street serves as the business and market hub of the surrounding agricultural district. The town's facilities include a post office, library, banks, pubs and a range of shops and other services.