Windfall tax (United Kingdom)
Windfall taxes have been applied on several occasions since 1997 by United Kingdom governments, in response to company profits that were considered to be excessive or unexpected. == 1997 Taxes on privatised utilities == The Labour government of Tony Blair in 1997 introduced a windfall tax on what were described as "the excess profits of the privatised utilities".
Source: Wikipedia — Windfall tax (United Kingdom) (CC BY-SA 4.0)