Ofgem’s “Secure and Promote” initiative to improve liquidity in the electricity market has had mixed results and is unlikely to attract new financial participants into the market, the Competition and Markets Authority concluded in an issues paper produced for its market investigation.
The CMA thought that the creation of “market making” trading windows had driven trading activity into those periods but  “on balance” that was positive for industry participants, who could be sure of trades at those times. It had also helped set prices.