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Clare Casalis

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

Man installing loft insulation
The Great British Insulation Scheme
There are freebies on offer from energy providers and local authorities to make your home warmer and more energy efficient. The most common are loft and cavity wall insulation, but there are plenty of other improvements up for grabs. So if you're on benefits and/or live in a home with a low energy performance rating, you might be eligible for free insulation. Here's how to find out...
9 December 2025
Smart meter in-home display
Standing Charges could finally fall from April under Government plans – Martin Lewis says it's 'a step in the right direction'
8 December 2025
Image shows a piggybank, a calculator and a light bulb
Autumn Budget 2025: £150 to be cut from energy bills from April 2026 – and Martin Lewis has pushed for this to include households on fixes
26 November 2025
A copy of the Autumn Budget 2025, in front of the Red Budget Box, a symbolic briefcase used by the Chancellor to carry the budget speech from Downing Street to the House of Commons
Autumn Budget 2025: Martin Lewis' reaction and analysis – tax thresholds frozen again, cash ISA cut, EV pay-per-mile and more
26 November 2025
Two wooden blocks are on a table – one with a lightbulb painted on it and one with a gas flame painted on it. Standing next to them is a piggybank.
Energy bills to rise from 1 January but Martin Lewis warns that high electricity users will be harder hit by Price Cap change
21 November 2025
Solar panels on modern new build houses.
Martin Lewis: Plans to change what households make from solar Feed-in Tariffs 'feels a breach of promise'
20 November 2025
Tomato Energy logo on a wall with the statement 'Smarter energy, made for you.'
Tomato Energy goes bust with households moved to British Gas – here's what you need to know
11 November 2025
Close-up of electric charger plugged into an electric car
Ovo Energy to double cost of home EV charging for some – should you ditch and switch?
28 October 2025
Toilet roll tubes that have been decorated as vampires, bats, pumpkins and other Halloween-themed characters.
Halloween decorations, costume and craft ideas to do for FREE using stuff you already have at home
Halloween can be a pricey time – and often much of what you buy ends up in the bin, charity shop bag or loft. Not very MoneySaving! But if you still want to have fun on a budget, there are lots of things you can do and make that cost nothing at all. The only rule here is no shopping – you have to use what's already in the house.
24 October 2025
A tradesperson's gloved hand fitting insulation to a wall.
Government finds 'systemic failure' with solid wall insulation fitted under official schemes – here's updated info if your home's affected
14 October 2025
lightswitch-off-hero.jpg
Electric Ireland to stop supplying homes in Northern Ireland – here's what it means for you
29 September 2025
Two wooden blocks are on a table – one with a lightbulb painted on it and one with a gas flame painted on it. Standing next to them is a piggybank.
Energy bills to rise 2% in October but Martin Lewis warns lower users will be harder hit by Price Cap change – act now to save 15%
27 August 2025
Water tap with water coming out.
Water compensation to double for some in England – you could be due £100s for outages, poor service and more – here's what's changing
1 July 2025
Energy complaints to be dealt with more quickly and Energy Ombudsman to get new powers under Government plans
If you have a complaint about your energy firm, it may be resolved more quickly in future, as the Government has announced a raft of proposals to strengthen consumer protections in the energy market. The planned changes include giving the Energy Ombudsman new powers to force firms to comply with its decisions – but it's still very early days. Here's what we know so far.
19 June 2025
war mhome
Warm Home Discount expansion confirmed with millions more eligible for the £150 top-up this winter – here's what we know
Around 2.7 million more low-income households, including 900,000 families with children, will become eligible for the £150 Warm Home Discount this winter, as the Government has confirmed it will remove the existing 'hard to heat' eligibility criteria. The extension has only been confirmed for winter 2025/26, with further changes possible for future years.
19 June 2025
A prepayment meter.
Forced on to a prepay energy meter? You may be due money back as 10,000s to be compensated
If you had an energy prepayment meter forcibly installed or your smart meter was remotely switched to prepay mode without your permission, you could be entitled to compensation of up to £1,000 and may even be eligible to have your energy debts written off.
30 May 2025