Energy Market Reforms

Lord Swire Excerpts

Tuesday 4th November 2025 Lords Chamber

[Baroness Hayman of Ullock (Lab)]

My noble friend asks about marginal pricing and refers to gas, because gas and electricity prices have been coupled together for many years. The market currently operates on the principle of marginal pricing, and the cost of electricity often tracks the cost of gas because gas generation frequently sets the wholesale price. It is a complex area. There are good reasons why the electricity market operates on that basis. Comparable countries tend to operate in this way as well. Over time, we need to rely less on gas, which means that electricity prices will become increasingly detached from the price of gas and be more frequently set by other generation, such as renewables. We see that as the way to bring prices down to support vulnerable people and to enable them to pay their bills. That is why our focus is on increasing renewable energy.

[Lord Swire (Con)]

Increasing the capacity of the grid —particularly bringing more offshore power onshore—will see a dramatic escalation in the number of overhead power lines to distribute the power, as well as more onshore substations. Given the huge profits made by some of the energy companies, what are the Government doing to mitigate the visual impact of this increase in energy distribution? Can these energy companies not be invited to contribute towards a fund that will see, where possible, the burial of overhead power lines?

[Baroness Hayman of Ullock (Lab)]

There are two aspects to this. There is the National Grid, and in Scotland there is ScottishPower. We also have the district network operators, so we have different levels of pylons. It is not quite as straightforward as having a simple pot. The important thing is that we build the renewable energy that we need. We also need to look at battery storage. Not all electricity generation needs to be connected up through power lines. The last figures I saw on burying power lines showed it to be about 11 times more expensive. It depends where they are—through a national park, for example—and what the current situation is. It is important that we have the renewable energy connection, and we want to bring down prices, but we must build the connections in the right place. Connections are not just built in a straight line. Electricity companies spend a long time ensuring that the route chosen is the best one: they talk to people. This is part of creating the renewable energy future that we need.