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

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.

7 January 2026

Changes to pension rules introduced in 2015 mean you've greater access to your pension. But you still need to be wary of pension liberation scams, which claim you can get access to your pension early. Pension liberation scammers claim they can get your money from pensions before you're 55, but the huge fees and taxes you'll pay can leave you with nowt for retirement and now scammers are targetting the over-55s as well.

7 January 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...

7 January 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.

6 January 2026

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...

6 January 2026

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.

5 January 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...

1 January 2026

Choosing the best energy tariff for you depends on your situation, the type of heating system you have, and personal preference. And while price is always a major deciding factor, there are other things to consider.

1 January 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...

1 January 2026

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The Winter Fuel Payment used to provide all pension-age households with up to £300 to help pay energy bills each winter. Yet the Government made sweeping changes last winter. We've full info below on who qualifies, how to apply (if you need to), and when you can actually expect the cash to be paid.

9 December 2025

Grants of up to £30,000 are on offer from local authorities to make your home warmer and more energy efficient. The grant can be used to help pay for upgrades including insulation, solar panels, and heat pumps.

9 December 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.

9 December 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...

9 December 2025

8 December 2025

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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

26 November 2025