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

Average annual energy bills rose by 6% on 1 April 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...

9 April 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...

8 April 2025

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.

8 April 2025

Maternity and paternity leave: your rights and pay

When you're having a baby there's a lot to prepare for – as well as nappy changes and night feeds, you have to get your head around the rights that you and your partner (if you have one) have at work. Whether you or your partner is pregnant, you're using a surrogate or adopting, this guide explains what you're entitled to before having a baby, during leave and beyond.

7 April 2025

Having children is expensive – the first year alone could reportedly cost a family in the UK an average of £6,000. But some parents can get a maternity grant worth at least £500 from the Government, no strings attached, to help with the cost. Plus, you may also qualify for help towards the cost of your food bill.

7 April 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.

7 April 2025

Heat pumps can change the way you heat your home, while reducing your environmental impact. If your gas boiler is reaching the end of its life and you're considering getting a heat pump, this guide will talk you through what you need to know – how they work, the costs involved, how they stack up compared to gas boilers, plus government incentives.

7 April 2025

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.

7 April 2025

Rebel Energy has gone under. If you're one of its 84,000 household customers, your supply won't be affected and any credit balance you had with the firm will be protected – but you should take a meter reading now. Here's what you need to know.

7 April 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.

7 April 2025

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 likely you are to live and your income, so here's what you need to consider.

7 April 2025

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:

4 April 2025

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.

3 April 2025

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...

3 April 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.

3 April 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 April 2025