Claim: Profit margins of the big six energy companies hit their highest ever level.
Fact-check: Energy companies profits at their highest level ever? - Full Fact
Verdict: that's correct if you look at the average. it was 4.5% in 2016, up from 1% in 2009 when these figures were first published. looking at individual companies there is a lot of variation though.
Organisation: Full Fact
Author: Unknown
Date published: 2017-09-06T00:00:00