Clare Casalis

Assistant Editor - Money Products

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

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

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

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

Row of bathroom sinks focused on one with water coming out of it.

29 January 2026

28 January 2026

Image shows a hand turning the heating knob on a radiator.

28 January 2026

At least half a million households are connected to one of 14,000 heat networks across the UK. From April 2025, all heat network consumers will have access to an official complaints and advice service, and from 2026, new regulations will be in place to better protect those connected to a heat network. This guide explains how heating networks work and what you can do if things go wrong – now and in the future.

27 January 2026

Small clay model of a house, propped on top of a radiator with a scarf wrapped around it.

21 January 2026

12 January 2026

Smart thermostats are a nifty way to control your heating on the go from your phone, tablet or other device. They're touted as a great way to save cash, but they're not cheap – so whether one will save you money depends on how you use it and what type of home you have. We've a few quick need-to-knows about how they work, then the top picks.

12 January 2026

Changes to pension rules introduced in 2015 mean you've greater access to your pension. But you still need to be wary of pension liberation scams, which claim you can get access to your pension early. Pension liberation scammers claim they can get your money from pensions before you're 55, but the huge fees and taxes you'll pay can leave you with nowt for retirement and now scammers are targetting the over-55s as well.

7 January 2026