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 State Pension was increased by 4.1% in April 2025. Most of us will receive some State Pension from the Government when we retire, but it's a complicated system, so understanding what you're entitled to is important. This guide will explain:

14 July 2026

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.

14 July 2026

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.

14 July 2026

8 July 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...

3 July 2026

3 July 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...

2 July 2026

1 July 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.

1 July 2026

30 June 2026

eSims have been around for more than a decade, but it's only recently they've become more widely available in the UK. Yet most UK firms still don't fully support them. Where they really shine is if you're planning a trip abroad. We take you through what an eSim is, how you can get one and whether it'll save you any money below – plus how to install one on an iPhone or Android mobile.

30 June 2026

18 June 2026

You don't have to take your state pension when you hit state pension age, currently age 66. If you defer it, you'll get paid a higher amount when you do decide to claim – up to 5.8% a year more in fact. But you'll receive it for a shorter time. Whether it adds up for you will depend on how long you are likely to live and your income, so here's what you need to consider.

15 June 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.

3 June 2026

29 May 2026

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.

27 May 2026