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 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.

2 October 2026

The Energy Price Cap, which controls what most households pay for energy, will fall by 7% on average on 1 July 2025. We've full info below on what the Cap is and how it works.

2 October 2026

As part of the drive to reduce carbon emissions, the Government is offering grants of £7,500 to households in England and Wales to help towards the cost of installing a heat pump. Here's what you need to know about the Boiler Upgrade Scheme.

2 October 2026

Energy regulator Ofgem has proposed that by winter 2025/26, all energy suppliers will be required to offer a low or zero standing charge Price Capped energy tariff. For now, there is just one 'no standing charge' tariff that could help cut bills. Here's how to work out if and when it's right for you...

1 October 2026

A solar battery allows you to store electricity produced by your solar panels and use it later or, in some cases, sell it back to the grid to make a few quid – but they're not cheap. Read on to see if it's worth getting a solar storage battery for your home...

1 October 2026

The Energy Price Cap, which controls what most households pay for energy, will fall by 7% on average on 1 July, meaning the vast majority in England, Scotland and Wales will see their bills go down. What YOU PAY depends on your usage, how you pay and where you live. Use the calculator in this guide to estimate how much YOU'LL pay.

28 September 2026

There are now more than 1.5 million homes across the UK with solar panels. As well as saving you money on energy bills, solar panels can earn you cash. And don't worry, they can still generate electricity on gloomy days, vital when the weather's as dull as dishwater. But they cost an average of £7,000, so you need to understand how to work out if the sums add up.

28 September 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.

16 September 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.

14 September 2026

From 1 July, those who pay for their energy on a prepay meter will see their bills fall by 7% on average. If you're struggling to pay, there's help available. Here's what you need to know...

26 August 2026

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.

26 August 2026

Water is the forgotten utility – many think they can't save, but we've seen successes from those who have slashed £100s off their bills by fitting water meters and cutting down on how much they use. Plus there's help for those struggling... we round up all the ways to cut costs in this guide.

10 August 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?

4 August 2026

If you live in Northern Ireland, you can save on your electricity bill by switching supplier or changing the way you pay for energy – some could slash £100s/year off their bill.

21 July 2026

Energy firms are banned from hitting you with an unexpected bill for any energy you used more than 12 months ago, that you haven't been correctly billed for before. But there are over 3,000 complaints to the ombudsman of just this happening – here's what you need to know...

16 July 2026

8 July 2026