Maintaining standards
Getting it right for you
Our ambition is to offer sustainable home energy solutions that are just right for you. Being a trusted energy partner is key in our commitment to treating our customers fairly.
Our complaints service
We're always working to make things better for you, which is why we want to know if you're not happy.
Whistleblowing
We maintain a process for raising concerns of possible infringements of laws or regulations.
Key reports
We report annually on our finances, gender pay gap and sustainability.
Our letters to Ofgem
We’ve written to Ofgem to share the ways that we’re working to improve our service for you.
Tax strategy
We're committed to managing our taxes responsibly and compliantly in line with UK tax obligations.
Whistleblowing
Our whistleblowing process
E.ON maintains a hotline and an externally operated website for raising concerns of possible infringements of laws or regulations. Concerns can be raised anonymously and in confidence not only by our staff, but also by our business partners, their employees and other third parties.
You can report possible cases of corruption, fraud, embezzlement, tax evasion, human rights or modern slavery violations, violations of competition and capital markets laws, insider trading rules and data protection laws by telephone or the website.
The whistleblowing channels are not intended for customer complaints or other customer related issues. For those issues please see our contact details.
The whistleblowing hotline number is 0203 769 6413. You can see how we handle your data here.
Environmental information request
If you've already read our sustainability report, but wish to request further information, you can find out how by visiting our Environmental information request page.
Maintaining international standards
Due to our commitment to providing high quality products and services to our customers, we have been successful in obtaining the following ISO accreditations:
ISO9001 - Quality Management System
ISO14001 - Environmental Standard
ISO50001 - Energy Management
These are a set of international standards showing that we provide quality goods and services as well as work hard to minimise our impacts on the environment.
You can read more about these ISO accreditation below.
Quality Management System – ISO 9001
We are committed to achieving and maintaining excellence for our customers. We operate a quality management system which complies with the requirements of ISO 9001:2015 for the following scope: The design, supply, installation, commissioning and support of building energy management systems and hold Certificate Number: FS 571081 for and on behalf of BSI.
Environmental – ISO 14001
We hold Certificate Number: EMS 587470 and operates an Environmental Management system which complies with the requirements of ISO 14001:2015 for the following scope: The design, supply, installation, commissioning and support of building energy management systems. We achieve this by unlocking the value of energy management for our clients by reducing real time demand for energy, improving energy efficiency and delivering sustainable energy savings.
Energy – ISO 50001
We hold Certificate Number: ENMS 623239 and operates an Energy Management System which complies with the requirements of ISO 50001:2011 for the following scope: The energy management system associated with the design, supply, installation, commissioning and support of building energy management systems at designated named locations, including use of purchased gas for heating, electricity for office equipment, lighting and cooling, petrol and diesel for transport.
Download our Energy Policy
Staying safe
We have some tips on what to do if you have a gas or electricity emergency.
Community matters
Discover how we’re inspiring the next generation, supporting new careers and championing important causes.
Our energy portfolio
We own and operate a generation portfolio, with a key focus on renewable, sustainable energy sources.
About us
Sustainable homes
Find out the many ways in which you can create a more sustainable home and reduce your carbon footprint.