Floating Solar Panels

Ian Roome Excerpts

Thursday 26th June 2025 Commons Chamber

[Lincoln Jopp]

I am grateful to my hon. and gallant Friend for joining this merry band of evangelists for floating solar, and for seeking to get in on the ground floor with the inclusion of the reservoir in his constituency. Within minutes, he is immediately seeing the opportunity, and I congratulate him on that.

[Ian Roome (North Devon) (LD)]

I am really happy to join this debate, which is not only amusing, but very educational. For me, it is a matter of great concern for this country to conserve the water supply we have. Does the hon. Member therefore agree with me that floating solar stops the evaporation of water because it avoids direct sunlight hitting the water, and that it also conserves water?

[Lincoln Jopp]

The hon. Member, with whom I serve on the Defence Committee, makes a very important point about future-proofing the United Kingdom’s water supply from increased temperatures. In Australia, I understand that reservoirs are being covered at great expense to reduce evaporation. He might know that where floating solar panels exist, they reduce evaporation by 70. In the case of the Queen Elizabeth II reservoir, that is 100 tonnes of water a day. It is absolutely extraordinary.

I know Members are thinking, “Well, Lincoln, it couldn’t get any better,” but I have to tell the House that there are still some further benefits. [Hon. Members: “More!”] Where reservoirs are owned by water companies and the water companies want to use the electricity themselves, there is no requirement for planning permission. When we consider the turmoil that land-based systems have to go through over many, many years, and the paroxysms the nation puts itself through before it puts in a land-based system, we should note that floating solar can be deployed within a few weeks.