Clare Casalis

Senior Energy & Utilities Analyst

Clare joined MSE in September 2021 after a career as a chartered accountant. She started out as a writer on MSE's Money team, exploring everything from student loans to pensions, before moving across to the Energy and Utilities team in November 2022.

As Senior Energy and Utilities Analyst, Clare is responsible for the quarterly Price Cap updates to our guides, and the daily updates to our popular Should I fix my energy? guide, which explains if it's worth fixing your energy tariff, as well showing the current energy deals available. Clare also helps out on the Cheap Energy Club.

Clare has written several new guides, including Heat pumps explained, Is solar battery storage worth it?, How to switch your energy and, most recently, Winter Fuel Payments.

Outside of work, Clare's passionate about travel and embarks on global adventures with her family as often as she can (on a budget of course!). She also loves running and yoga to keep a healthy body and mind.

Latest from Clare Casalis

Utility Warehouse has two fixed energy deals that are up to 14% less than the April Price Cap on average. This may be a good deal for some, but it's not as simple as just switching your energy, as you have to take other products too.

1 April 2026

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The Winter Fuel Payment used to provide all pension-age households with up to £300 to help pay energy bills each winter. Yet the Government made sweeping changes last winter. We've full info below on who qualifies, how to apply (if you need to), and when you can actually expect the cash to be paid.

31 March 2026

13 March 2026

Traditionally, switching your energy deal was the best way to cut bills, but with the recent energy crisis, savings aren't anywhere near what they used to be. Yet deals are returning, and for some, it could now be worth considering switching.

10 March 2026

9 March 2026

Energy suppliers are enticing new customers to switch, and getting existing customers to stay, with a whole host of rewards, from bill credit to cheap cinema tickets. But, whatever you do, don't switch to one of these suppliers purely for their rewards. Make sure you do a bespoke comparison to find the best energy deal for you. The rewards it offers should just be an added bonus.

9 March 2026

The Government is aiming for 80% of homes in England, Scotland and Wales to have a smart meter by the end of 2025. It's not compulsory to opt in to have one, but there are a few situations where you won't have a choice and your supplier will need to install smart meters. We've got the full info below, including what you can do if you don't want one.

5 March 2026

Mobile phone showing 'Your energy account' on the screen on top of a pile of £50 notes, with an in-home device behind.

3 March 2026

26 February 2026

The push towards electric vehicles (EVs) is growing and is likely to become more of a focus with the sale of new petrol and diesel cars to be banned by the end of 2035. We'll take you through how much they cost, how that compares to petrol and diesel cars, and everything else you need to know to help you decide if an EV is right for you now.

25 February 2026

Pink piggybank on a wooden surface next to two building blocks; one with a lightbulb painted on it and the other with a blue flame on it.

25 February 2026

Some older Economy 7 and similar multi-rate electricity meters are set to stop working in June 2025, as the 'Radio Teleswitch Service' (RTS) – which allows these meters to function properly – is due to be switched off. We've full info on how to check if you'll be affected, what it means and what you can do...

23 February 2026

Energy suppliers are installing the next generation of gas and electricity meters, called smart meters, with more than half of British homes now connected to the smart meter network. The Government's ambition is for everyone in England, Scotland and Wales to be offered them at no upfront cost in the next few years. But what exactly are they, should you get them, and what happens if you switch?

23 February 2026

In-home device on table with energy bills and cash.

12 February 2026

Hand reaching for in-home energy smart meter device on table.

11 February 2026

Clay model of a house, placed on top of a white radiator

30 January 2026