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

Average annual energy bills will fall by 7% on 1 July for those on standard price-capped tariffs (most households). But should you stay on the Price Cap, or move to a fixed deal? We've help to decide if fixing is right for you, plus analysis of the tariffs we've spotted...

14 August 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.

13 August 2026

Under the Warm Home Discount scheme, you could get £150 off your electricity bill each winter. We've full info below on who qualifies, if you need to apply, and when it's paid.

11 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

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...

4 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

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.

3 August 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.

30 July 2026

hero-banner-flight-planes-clouds-blue-sky

When you book a flight departing the UK, your ticket price will include various fees, such as airport tax. However, this isn't collected by HM Revenue & Customs from the airline until after you actually fly. If you don't fly – even by choice – you shouldn't have to pay the tax. This guide explains how to claim a refund for Air Passenger Duty (APD) if you cancel a non-refundable ticket or miss a flight.

28 July 2026

If you've got solar panels, make sure you have a Smart Export Guarantee (SEG) tariff [SHOULD WE IF YOUVE HAD THE MINSTALLED FROM 2020/AFTER JAN 2020?]. It lets you earn money by exporting excess electricity you generate back to the grid. But not all SEG rates are equal – some energy suppliers offer far better rates than others, so it's key you get the best deal.

21 July 2026

While energy costs are down from the horrifying levels we saw during the energy crisis, many are still struggling to pay their bills. Cutting energy use is a one key way to save. We've rounded up a full list of tips to help, including simple changes to your boiler and appliance settings, mixed in with some thrifty crowd-sourced wisdom.

21 July 2026

hero-homepage-tip-energy-price-cap-predicted-to-rise-bills-horrific-1.png

If you're in one of the 65% of homes in England, Scotland or Wales on a standard variable tariff, the price you pay is controlled by the Energy Price Cap. Yet the Cap changes every three months, so it's important to know what's likely to happen in future and how it affects your bill.

21 July 2026

Energy suppliers are again offering tariffs aimed at electric vehicle owners. If you're one of the million EV owners in the UK, should you go for one? This guide helps you decide if they're worth it.

21 July 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 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 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