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

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...

4 November 2025

Nearly 200,000 off-grid households across the UK use LPG for cooking, heating and hot water. But buying in an unregulated market can be complicated. Your choice of supplier can be limited, so you need to be savvy about when and how to buy, and be prepared to haggle for the best price. We've got all you need to know to keep you cooking on (liquid) gas...

4 November 2025

There's lots of financial help available right now due to the cost of living crisis, as well as ongoing support for those on benefits. There's cash available to increase your home's energy efficiency or help you pay your energy bills – hundreds of millions of pounds of it. The key is knowing where to look.

4 November 2025

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...

3 November 2025

Close-up of electric charger plugged into an electric car

28 October 2025

Toilet roll tubes that have been decorated as vampires, bats, pumpkins and other Halloween-themed characters.

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.

14 October 2025

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 2025

If before reaching state pension age, you care (or cared) for a young family member while the child's parents were at work, there's a little-known credit that could boost your state pension by £1,000s. These credits work by filling in gaps you may have in your national insurance record, which is what dictates your state pension amount. This step-by-step guide tells you how to check if you qualify and how to apply if so.

1 October 2025

1 October 2025

An Economy 7 tariff gives a cheaper electricity rate at night and a more expensive one in the day. These tariffs are mainly for those who use night time storage heaters to heat their home and water. Done right, it can save you money. Done wrong, it can cost you more.

1 October 2025

Attitudes and behaviours are changing and many are opting to go greener. In normal times, switching to a green energy tariff is easy, and can also save you money. Yet the recent energy market crisis means that very few 'green' tariffs are available right now. What's more, some of the green energy claims made by suppliers are now under scrutiny. This guide explains what green energy is and why it is a hot topic for debate right now.

1 October 2025

There is a potentially unbeatable opportunity everyone aged 40 to 73(ish) needs to consider. If you're missing national insurance credits, you can buy back up to six years. This can be prove very lucrative, as some are on course to make over £50,000 in boosts to their State Pension by following this guide.

29 September 2025

Energy bills can be confusing – sometimes it's hard to decipher exactly how much you're paying. This guide explains the key items you'll find on your bill to give you more control over what you're paying and make switching easier.

25 September 2025

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

24 September 2025