Get step-by-step instructions, real world examples and practical tips to help you make the most of E.ON Optimum.
Getting started.
We're really excited to introduce E.ON Optimum, our in-house developed Energy Management System. Optimum is already helping customers across Europe to save energy, costs and meet their net zero goals.
Optimum gives you insights into your energy use, helping you make informed decisions to optimise your energy consumption and reduce costs. To get started with E.ON Optimum, you'll just need the following:
AMR or a smart meter that can send regular readings to Optimum with a uniform, regular timestamp.
A computer or tablet with internet access.
A valid set of login credentials.
To access Optimum and all of its features, make sure you’re using the most recent supported version of one of the following internet browsers:
To ensure uninterrupted access to Optimum, we recommend regularly updating your internet browser. This will give you the best experience and access to all the latest features and enhancements.
How to access Optimum.
Optimum is a web-based energy and asset management tool that allows you to conveniently access your energy data from anywhere, at any time. To get started, simply follow these easy steps.
1Open your preferred internet browser on your computer or tablet.
2Go to E.ON Optimum
3Enter your email address and password in the login fields.
4Click the “Sign in” button.
Your local support team can give you a first-time login guide which includes further details and a step-by-step guide. Sign in methods may vary from region to region. Please contact your local support team for more guidance.
Using the user guide.
In the user guide, you’ll find detailed explanations of what you can do with Optimum Commercial – often referred to as Optimum. We'll guide you through the various features and show you how they can benefit your specific industry.
We understand that every customer is unique, with different energy management needs. That’s why we’ve written this user guide to cater to a wide range of industries. Whether you’re a supermarket chain looking to identify energy-intensive areas, a hotel aiming to manage peak demand periods, or a facility owner seeking to optimise equipment performance, we've got you covered.
Each feature covered in this document is accompanied by helpful, real-world examples that illustrate how to apply Optimum Commercial to solve common challenges and deliver tangible results. We believe that by showing you these practical examples, you’ll gain a deeper understanding of how Optimum can help you improve your energy management and achieve your goals.
Throughout the user guide, we use clear and accessible language, avoiding technical jargon as much as possible. We’ve also included visual aids, such as screenshots and diagrams, to enhance your understanding and make the instructions easy to follow.
We value your feedback and encourage you to share your thoughts on this user guide and the Optimum platform in general. Your input helps us improve and enhance the user experience – indeed some of our most used features have been developed following customer suggestions.
Finally, please note that we’ll regularly update this user guide to reflect any changes or new features in the Optimum platform, ensuring that you always have the most up-to-date information at your fingertips.
Frequently asked questions
What is Optimum?
Optimum is a digital dashboard available to our SME customers. It lets you see how much energy your business uses, compare it to similar properties, and get tips on becoming more sustainable.
How do I use Optimum?
Optimum is designed to be easy to use. But, we know you might need a hand getting started. We've created a handy user guide to help you navigate the portal and use all its features.
Is Optimum free?
Optimum is completely free for our SME (Small and Medium Enterprise) customers. You can access and view your energy data through the online dashboards at no cost.
How do I sign up?
It's easy to start using Optimum. If you're a direct customer, you can sign up directly through your existing online account. Just sign in and look for the Optimum link – it'll be on your account homepage. Click the banner and follow the simple instructions.
If you're a Managing Agent, Third Party, or having trouble signing up, give us a call and one of our Energy Specialists will help get you set up.
I forgot my password. How can I reset it?
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Go to the Optimum login screen via - https://eon-optimum.com.
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Type in your email address and click continue.
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Select forgot password.
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Enter your email address again and click continue.
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A password reset link will be sent to that email address.
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Click on the link, enter the new password twice and click reset password.
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Go back to the signing in screen and sign in.
I’ve forgotten the email address I signed up with?
Don't worry, we can help you with that. To recover your account information, please contact our customer support team at hellobusiness@eonnext.com, or call on 0808 501 5699.
What do I do if I manage a property on behalf of someone else?
You'll need to set up an account as a Managing Agent to access your managed property’s data. Please call us on 0808 501 5699, and one of our Energy Specialists will help get you set up.
I'm a Third Party Intermediary/Broker - can I get access to Optimum?
Yes, absolutely. We welcome Third Party Intermediaries and Brokers to use Optimum. Please contact our customer support team on 0808 501 5699, and we'll be happy to help you set up an account.
I have a VPN will this cause issues?
Yes, using a VPN might interfere with your ability to access Optimum.
How do I interpret my data?
We've created a user guide to help you make sense of it all. It will help you spot trends, track your energy use, and find ways to save energy and money.
Will I see all my sites on Optimum?
You should see all the sites associated with your account on the Optimum portal. If you can't see all your sites in the portal, please get in touch with us so we can investigate and resolve the issue.
Will I see my historic data?
Your access to historical data depends on when you first consented to share your half-hourly data with us. If you gave us this consent before signing up for Optimum, you'll be able to see up to 12 months of historical data, where available.
Will I see my data straight away?
You'll start seeing your energy data shortly after registering. In some cases, it may take up to 10 days for your data to appear.
What should I do if my consumption data looks wrong?
We understand that accurate data is important. If you believe there's an error in your energy consumption data, please contact our customer support team.
Can I download my energy data?
Yes, you can definitely download your energy data. This allows you to keep records for your own analysis or to share with others.
For detailed instructions on how to download your data, including the available formats (e.g., CSV, Excel) and any specific steps, please refer to our user guide.
How is my data protected on the portal?
We take the security of your data very seriously. We use a number of measures to protect your information and ensure its confidentiality and integrity. Please refer to our privacy policy for more details.