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Bulb - making energy simpler, cheaper, greener.

Rated 9.6/10 on Trustpilot
One tariff - 15% cheaper than the Big Six
100% green electricity and 10% green gas.

Download our app today to make managing your energy even simpler.

• Enter meter readings with a photo
• Check your balance
• See how much energy you’ve used
• Download statements
• Refer your friends

What people are saying about Bulb:
• “Bulb is challenging the big energy companies that dominate the UK market” - The Independent
• “The future is bright for Bulb” - TechWorld
• “Bulb are excellent - you'll never have an energy supplier like them” - Rebecca, Bulb member
• “Very friendly company with great customer service, good rates and an easy-to-use website.” - Alex, Bulb member
• “They send quirky fun emails and make everything easy!” - Chloe, Bulb member

What’s New

Version 1.23.3

If you’ve got a first generation smart meter (SMETS1) made by Secure (it’ll say ‘Secure’ on it), you can now see your usage charts if you’re sending us daily or half hourly readings.

If your chart is missing data, we’ll take your 2 most recent readings and work out an average for the missing days. Averaged readings look slightly paler on your chart.

And if you’re sending a manual meter reading using the ‘scan’ option, you’ll now see a preview of your reading before you submit it.

Ratings and Reviews

4.8 out of 5
99.3K Ratings

99.3K Ratings

The_Jolly_Green_Giant ,

Love the moral reward

For us, the biggest motivation to join bulb was the peace of mind. They are by far the most accessible supplier of 100% renewable energy, in our experience.

There have been some pleasant discoveries since switching from one of ‘the big six’ that are outdated in their customer interactions (one specifically that I won’t mention here); the website alone is brilliant; the tools are simple and easy to navigate.
I regularly update my meter readings due to a rather (admittedly) weird fondness for dropping onto my account and seeing our usage and predictions for future consumption which are expressed in a chart (- this appeals to my almost fetish-like desire for such things).

Bulb are slightly more expensive than what we were paying but ultimately worth paying if it means delivery on promises for a cleaner, more responsible supply of our energy. What’s a ‘fiver’ in the grand scheme of things? Some maths whiz will point out that £5 x 12 = £60 over the year but again, we feel the ease of interaction with the company has been my best experience yet with an energy supplier and may the simplicity live long!

You will not regret becoming a member of this growing tribe.

Big pawed bear ,

App is not accessible with voice-over for the iPhone.

Hi, I have a new bulb customer, and I find the app is not accessible with VoiceOver on the iPhone. For any developer who doesn’t know, voice-over is the one and only screen reader for the iPhone. A screen reader convert text into speech so the blind people can use the iPhone and apps successfully. If apps are not correctly coded with accessibility in mind, the voice-over software built-in to all iPhones cannot use the app. This means that blind people cannot use the app successfully, and therefore locked them out of the service. Please test your app with voice-over for compatibility! For a customer facing app, this is disgraceful. Please fix this I am a new customer, and expect my apps to work with my screen reader. Please note, the Bulb website is pretty good with jaws for windows, but the app which is made for Apple devices, which only have one screen reader for them, should be compatible with that screen reader. I expect full compatibility within the next app, as Apple have a website dedicated to accessibility for web developers. This is within the SDK. Thank you.

Developer Response ,

Hi there,
The latest version of the app – 1.8.8 – should be fully compatible with VoiceOver, so please look out for an update. We released this yesterday, but releases are rolled-out gradually, so you should be offered an update in the next 7 days.
Our app, like the website, was designed to be fully accessible. Unfortunately some bugs had crept in recently that have meant VoiceOver hadn't been working. We're really sorry about that, these have been fixed in 1.8.8, and we've implemented new testing processes to ensure that doesn't happen again.
Please drop us an email at help@bulb.co.uk if you are having issues after the update, or if there is if you have any other suggestions on how we can better serve our members with accessibility needs.
Best, Team Bulb

CurlyClaireBear ,

User friendly

The app is very simple to use & keeps your account up to date when you use it to enter meter readings etc. You can make changes to your monthly payments in an instant & the information they give you is jargon free. When your monthly metre reading is due they send you an email to remind you, & you can follow the link from the email or go through the app. Both ways communicate with each other & they don’t seem to get confused if you use the app one month & email another. I find the app useful to help me monitor my historical energy usage now that we have had some external wall insulation.


95.5 MB

Requires iOS 10.0 or later. Compatible with iPhone, iPad and iPod touch.



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