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 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...

26 February 2026

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.

26 February 2026

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.

25 February 2026

Pink piggybank on a wooden surface next to two building blocks; one with a lightbulb painted on it and the other with a blue flame on it.

25 February 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.

25 February 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...

25 February 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...

23 February 2026

Energy suppliers are installing the next generation of gas and electricity meters, called smart meters, with more than half of British homes now connected to the smart meter network. The Government's ambition is for everyone in England, Scotland and Wales to be offered them at no upfront cost in the next few years. But what exactly are they, should you get them, and what happens if you switch?

23 February 2026

Water is the forgotten utility – many think they can't save, but we've seen successes from those who have slashed £100s off their bills by fitting water meters and cutting down on how much they use. Plus there's help for those struggling... we round up all the ways to cut costs in this guide.

17 February 2026

In-home device on table with energy bills and cash.

12 February 2026

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

11 February 2026

While energy costs are down from the horrifying levels we saw during the energy crisis, many are still struggling to pay their bills. Cutting energy use is a one key way to save. We've rounded up a full list of tips to help, including simple changes to your boiler and appliance settings, mixed in with some thrifty crowd-sourced wisdom.

9 February 2026

With the cold weather payment, you can get £25 to help with heating bills for each seven-day period of freezing weather during winter. We've full info below on who can get it, how to apply, and how to check if you're due a payment.

2 February 2026

2 February 2026

Clay model of a house, placed on top of a white radiator

30 January 2026

Row of bathroom sinks focused on one with water coming out of it.

29 January 2026