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100Green Reviews 

1,547
TrustScore 4.5 out of 5

4.6

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Review summary

Created with AI, based on recent reviews

Looking at 267 reviews, reviewers overwhelmingly had a great experience with this company. Customers frequently praise the highly responsive support team who answer phone calls immediately and resolve all queries with exceptional kindness, patience, and professionalism. People deeply appreciate the personal touch and efficient communication when navigating tariff changes, managing their utility accounts, or successfully switching energy suppliers. However, some reviewers were not happy with unexpected high monthly bills, unauthorized supply transfers, and persistent faulty meter connection errors. A few consumers also mentioned dealing with unhelpful or dismissive staff members and frustrating internal communication issues during particularly stressful life situations.

What people talk about most

Customer service

Consumers find customer service to be positive, highlighting that calls and online chats are picked up... See more

Staff

People report positive experiences with staff, highlighting helpful and efficient support. Reviewers... See more

Service

Users describe positive interactions with service, highlighting polite, helpful, and professional staff who... See more

Response time

Clients share positive opinions on response_time, consistently highlighting prompt and helpful support.... See more

Price

Customers had ambiguous experiences with price. Reviewers appreciated securing great tariffs, lower monthly... See more

Reviews shaping this summary

Rated 5 out of 5 stars

Customer Service: First Class! I have nothing but praise for 100green's customer service. No question has been too trivial to be answered and today, yet again, I received an email response tha... See more

Company replied

Rated 5 out of 5 stars

Linda's customer service was outstanding. She was understanding and able to create a solution to the issue I was having. She explained everything she was doing so I was able to understand the process... See more

Company replied

Rated 5 out of 5 stars

Real people answer the phone, speak to you and understand what you are asking. Why did the corporate world destroy this amazing way of doing business and treating customers. Companies like this make m... See more

Company replied

Rated 5 out of 5 stars

I rang them up, a nice lady answered the phone (Sarah). My query was dealt with in seconds without asking me my second hamster's middle name, without endless keypad options that didn't apply, without... See more

Company replied


Company details

  1. Green Energy Supplier
  2. Electric Utility Company
  3. Energy Supplier
  4. Fuel Supplier
  5. Gas Company

About 100Green

Written by the company


We are 100Green, an award-winning energy supplier. Providing renewable energy to homes across the United Kingdom since 2001.

Each of our unique tariffs has been designed to help you live more sustainably, with every drop of our renewable energy generated right here in the UK.

We have real people here to talk and listen. No chatbots, no call queues. We’re ready to pick up the phone and answer your email, so you can get on with enjoying your day.

Award Winning Customer Service

Written by the company

We answer the phone when you call
Real people here to talk and listen. No call menus, no chatbots. We won’t ask for an upfront fee when you join and if you leave us for any reason, there are no exit fees to pay.

Contact info

Promotion box for 100Green

Energy filled with nature made with care

Choose an award winning, renewable tariff to suit your lifestyle.

4.6

Excellent

TrustScore 4.5 out of 5

2K reviews

5-star
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1-star

No recent history of asking for reviews

This company hasn't invited customers recently, so reviews may not be representative

Replied to 100% of negative reviews

Typically replies within 24 hours

How this company uses Trustpilot

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4.6

All reviews

(1,547)

265 reviews in the last 12 months

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Companies on Trustpilot aren't allowed to offer incentives or pay to hide reviews. Reviews are the opinions of individual users and not of Trustpilot. Read more

Rated 5 out of 5 stars

Quick fix of our account!

My husband and I have moved to a new home but all utilities accounts were set up under his name by the developer. I couldn't produce address proof as we couldn't have both our names displayed in the bills unless we close the account and create a new under my name. We had spent a lot of time and effort to fix it but still failed. Today, we received email from Lucy, a wonder customer care staff of the 100Green. She was polite and helpful. She reviewed our situation and fixed the problem in a minute! All our frustrations are gone! We can open our bank account now. Thank you, Lucy. You've done a great job for us!

August 17, 2026
Unprompted review
Rated 1 out of 5 stars

Don’t ever use this service

Don’t ever use this service, they are chasing for money from 2023 which upon closing app I paid the remaining balance what was due and now after a year chasing for £800 which as per their estimate this is correct. Which is not right, this calculation should of made years ago and they have not done this.

August 14, 2026
Unprompted review
100Green logo

Reply from 100Green

Good morning. I am sorry to hear this. Please could you respond to the request for more information so we can locate you on our system and look into what has happened here? It's important to us that we have all the information so we can put right anything that needs fixing. Thank you. Kind regards, Amy

Rated 5 out of 5 stars

Problems dealt with efficiently.

The customer Service Agent I spoke to was first class. She was so helpful and patient just what is needed when requiring detailed information regarding tariffs. She also said she would be able to get my Smart Meter reprogrammed from Economy 7 to Single Unit at a lower monthly cost because my night usage is low compared to the average consumer. She has also arranged for me to have a monitor which I have been unable to obtain since the Smart Meter was fitted without a functioning monitor several years ago. Full marks to staff at 100Green!

August 13, 2026
Unprompted review
100Green logo

Reply from 100Green

Good morning Maureen - thank you so much for taking the time to leave us such a lovely review. I'm so glad to hear that you were happy with the service and we could help make sure you are on the right tariff for your needs. Have a lovely day. Amy

Rated 5 out of 5 stars

Solved!

Service was Great!, Billie helped me resolve an issue we had with billing and now it’s fixed has saved me a lot thank you.

August 12, 2026
Unprompted review
100Green logo

Reply from 100Green

Hi Jaime - thank you for letting us know - I'll be sure to pass on your feedback to Billie. have a great week. Amy

Rated 5 out of 5 stars

100Green are superb

100Green are superb! They answer my emails within 2-3 days and if they don't have the answers or they are struggling with getting the answers, they always come back to me!

August 3, 2026
Unprompted review
100Green logo

Reply from 100Green

Morning Alistair. Thank you for your kind feedback - so glad to hear you are happy with the service and speed at which we reply! Have a wonderful week. Amy

Rated 5 out of 5 stars

I was lucky enough to get Lisa as my my agent. What a star!

I was lucky enough to get Lisa as my customer service agent. She is a credit to 100 Green. She was polite, helpful, professional and empathetic. Though I'm sure all day long she gets annoyed or dissatisfied customers, she was unfailingly helpful and calm. I was complaining that they were raising my d.d. and that I was in credit and I didn't think it was necessary. Lisa investigated and reassured me it would remain the same for now and sent me a confirmation email to reassure me. Thanks Lisa, you're a star!

August 7, 2026
Unprompted review
100Green logo

Reply from 100Green

Good morning! Ah thank you for letting us know - I shall pass your feedback onto Lisa. It's always lovely to know who has provided the service and that you were happy. It means a lot to the team to hear. Thank you finding the time to leave such a lovely comment. Enjoy your week. Kind regards, Amy

Rated 5 out of 5 stars

Call answered within 3 rings by a…

Call answered within 3 rings by a Lovely lady called Debbie who was very helpful and resolved my issue very quickly.Many thanks

August 7, 2026
Unprompted review
100Green logo

Reply from 100Green

Morning Stuart - that's so lovely to hear. I'll be sure to let Debbie know. Have a wonderful day. Kind regards, Amy

Rated 1 out of 5 stars

It is impossible

It is impossible to log in to see your bill. Every time you get the code the log in email has disappeared.

August 6, 2026
Unprompted review
100Green logo

Reply from 100Green

Good morning

I am sorry to hear of your frustrations logging in - thank you for taking the time to let us know.

We'd like to understand the scenario that is causing this issue so we can help you log in seamlessly.

In the meantime, we can update your account so your bill is attached to the email if that is helpful?

Please do get in touch with your account details because I think we can quite quickly solve this for you. Thank you again - all reviews, good or bad, help us to continue making improvements to our service.

Kind regards, Amy

Rated 5 out of 5 stars

Billie was great

Billie has been great and she provided a quick and efficient customer service and answered all my queries in a prompt timely manner.
Thank you

July 30, 2026
Unprompted review
100Green logo

Reply from 100Green

Hi Federica,

Thank you for leaving us a review!

It’s great to hear that Billie was able to provide quick, efficient, and helpful service while answering all of your queries. I'll be sure to pass your feedback on to Billie – she’ll love to know that her support made such a positive difference to your experience.

Have a wonderful weekend.

Lewis

Rated 5 out of 5 stars

Customer Service

Customer Service:

First Class!

I have nothing but praise for 100green's customer service. No question has been too trivial to be answered and today, yet again, I received an email response that was not only timely but accurate, courteous and helpful. I shall certainly recommend this provider to friends.

July 29, 2026
Unprompted review
100Green logo

Reply from 100Green

Hi Dr Hampson,

Thank you for your excellent review and for your continued support of 100Green.

We work hard to ensure that every enquiry receives the attention it deserves, regardless of how big or small it might be. I’m glad that you've consistently received timely, accurate and helpful assistance from our customer service team.

Recommending us is the best way to show your support, and we genuinely appreciate it!

Have a great rest of the week.

Lewis

Rated 5 out of 5 stars

1st class customer service - cheerful too!

I dealt with “Jill” who was immediately a warm and competent person to interact with and a pleasure to have respond to my issues. She answered all of my queries and clarified the charges on my account that i was questioning. Excellent customer service skills, cheerful, and a pleasure to speak with. Soooo much better than AI and/or recorded messages!

July 29, 2026
Unprompted review
100Green logo

Reply from 100Green

Hi Ian,

Thank you for taking the time to leave such a wonderful review!

Providing clear, helpful answers and ensuring our customers fully understand their accounts is just part of our job, and Jill will be delighted to receive your feedback.

It's fantastic to know that her friendly and knowledgeable approach made such a positive impression. We truly appreciate your kind words and your support of the way we do things.

If you need anything else, don’t hesitate to get in touch.

Lewis

Rated 5 out of 5 stars

Real people answer the phone

Real people answer the phone, speak to you and understand what you are asking. Why did the corporate world destroy this amazing way of doing business and treating customers. Companies like this make me smile 😃

July 29, 2026
Unprompted review
100Green logo

Reply from 100Green

Hi Martin,

We're delighted to hear that you found it easy to reach our team and that we were able to understand and help with what you needed.

We firmly believe that great customer service starts with a real conversation. Your recommendation means that even more people can discover us! So, thank you for taking the time to leave a review.

Have a wonderful rest of the week.

Lewis

Rated 1 out of 5 stars

Absolute rubbish supplier avoid at all…

Absolute rubbish supplier avoid at all costs,their Customer Services cannot understand English,they constantly contradict themselves,I left them in March this year because because of incompetence by their customer services due to too many estimated bills,they make mistake after mistake,but when I complained they assured me that my bills were accurate,I refused to pay the final bill as a result of their incompetence,they took double payments from my account….Avoid like the plague….

March 8, 2026
Unprompted review
100Green logo

Reply from 100Green

Hi Peter,

Thank you for sharing your feedback. While we previously worked together to address your account concerns, I’m sorry to hear that the resolution didn't meet your expectations.

We aim to provide clear billing and fair outcomes for all our customers, so we take your comments seriously. If you’d like us to look into any new details or review your account again, please reach out to us directly by emailing hello@100green.com, and we'll be glad to take another look.

Kind regards,

Lewis

Rated 5 out of 5 stars

We love 100Green

We love 100Green. Having invested in renewables for our home, it’s great to know that when we do have to import energy from the grid, it comes from 100% renewables sources. The customer service is excellent; we get though quickly and they sort any issues out asap. We continue to recommend 100Green to our friends and family.

July 22, 2026
Unprompted review
100Green logo

Reply from 100Green

Hi David,

Thank you for your great review and for supporting 100Green.

We're delighted to hear that our 100% renewable electricity fits so well with your own commitment to renewables at home.

It's also great to know that you've had positive experiences with our customer service team. We work hard to provide straightforward, personal support and to resolve any issues as quickly as possible.

Thank you for recommending us to your friends and family – it really means a lot to us.

All the best,

Lewis

Rated 5 out of 5 stars

Exceptional customer service! 10/10! 5*****! A++++

I called the team today, and rang through to someone straight away - there was no going through automated options or having to provide security details through a robot. The colleague (Debbie) was personable, engaging and made me feel like a truly valued customer.

She took the time to go through what options would work best for our family and circumstances, and I didn't feel rushed or pressured to make a decision on the spot. She also provided me with additional information on how I can self-serve via online/the app, and answered all of my questions with ease.

It was so refreshing, and I just want to say a huge thank you to both Debbie and to management who are making the decisions to ensure this is the level of service that is provided! Very happy customer!

July 24, 2026
Unprompted review
100Green logo

Reply from 100Green

Hi Dan,

Thank you for the fantastic 5-star review.

I'm glad Debbie made such a positive impression and that you felt valued and supported throughout your chat.

I'll be sure to pass your lovely comments on. Feedback like yours means a lot and helps us improve the customer experience even more for the next time.

Thank you again for your kind words, for choosing us and have a great week!

Lewis

Rated 5 out of 5 stars

I had a question that was answered in…....under 10 minutes

I had a question that was answered in the quickest and straight forward way possible. My experience is that these situations take longer. I am a busy man, and Ms Sharon Warne made my life easier today, it was a quick in and out job. One that was appreciated and will stay in the memory. Should I need 100Green service again, I hope that someone with the high skills of Sharon is the contact available.

Mark Gore
508 Bushey Mill Lane
WD23 2AS

July 24, 2026
Unprompted review
100Green logo

Reply from 100Green

Hi Mark,

Thank you for leaving us a review.

We understand how valuable your time is, so it's rewarding to know that Sharon's help and expertise made your day a little easier. I’ll make sure to pass on your words to Sharon. Recognition like this means a great deal, and we're proud to have team members who consistently deliver such a high standard of service.

Thank you again for your feedback and for choosing us! Should you need our assistance in the future, we'll do our best to provide the same excellent experience.

Best regards,

Lewis

Rated 5 out of 5 stars

Extremely quick and helpful response to…

Extremely quick and helpful response to an out of hours telephone query

July 23, 2026
Unprompted review
100Green logo

Reply from 100Green

Hi Peter - thank you so much for your review. Means a lot when customers take a moment to let us know about their experience. Kind regards Amy

Rated 1 out of 5 stars

Avoid this company and their excessive prices

I strongly advise avoiding getting energy from this company. Despite their claims of supplying from renewable sources, their charges for doing so are unreasonably high and far far more expensive than any competitor. I decided to use them because I thought they were a small company with integrity. However, the bills I was getting from them were at least double those of our immediate neighbours who has exactly the same house and a family of 4, while we are just 2 and conciously use minimal energy at all times. I challenged them as I believed there was a fault on the meter and they did nothing except demand to be paid. Much as I am committed to using environmentally sustainable energy, this company's extortionate prices and profit driven motives make them a very bad choice for anyone who cares about the planet but has limited funds.

April 23, 2026
Unprompted review
100Green logo

Reply from 100Green

Hello - oh I am sorry to hear this. Would you mind responding to the request for more information so we can locate you on our system and get in touch to find out which tariff you are on? We do have some very competitive tariffs alongside our uber-green, eco-labelled tariff. The best way to compare the price you are paying with your neighbours is to look at the rate per unit of energy. Sometimes you might find that something in your home is guzzling more than you think. Please do get in touch because we can take a more in depth look at your account and see if there is a better tariff to suit your lifestyle. We're just on the end of the phone if you'd like to discuss in more detail. Kind regards, Amy

Rated 5 out of 5 stars

Excellent service quick replies…

Excellent service quick replies immediate results more or less

July 20, 2026
Unprompted review
100Green logo

Reply from 100Green

Morning Farooq- thank you so much for letting us know you're happy with the service. Great to hear! Amy

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