Aug 15, 2018

Evenergi Hub - FAQ's



What is the Evenergi Hub and what does it do?

Evenergi Hub is the collective name for the devices we send you to enable access to your electricity data. It includes a Router that is securely connected to the web and enables communication between the electricity data transmitter and our secure infrastructure, allowing you to access your data in near real time on your smart App


Do I have to pay to try the Evenergi Hub and electricity monitoring service?

We are currently running a promotion so that new members can try the Evenergi Hub and electricity monitoring service for a three month period without being charged. If you continue using the Evenergi Hub and monitoring services after the three month promotional period you will need to pay the Membership Fee, which will be debited from your account. If you do not want to continue using the Evenergi Hub and do not want to be charged, you will need to return the Evenergi Hub to us before the end of the three month promotional period.


For more information, please see our Charge Together Terms & Conditions


What home energy systems can the hub currently support?

Our current approach uses a disaggregation algorithm that is an artificially intelligent software technique that looks at your energy data to determine how much is EV vs other home use. This algorithm will constantly improve as we get more data and we can "train" it to support different home energy circumstances.


1. Any charger of 6 kW and above. We are working on being able to support smaller chargers through future software and hardware improvements, as well as entirely parallel approaches that will enhance this feature.

2. If you have more than one car, but both using the same charging point, then the size of the charger is the most important factor and we should be able to detect your charging subject to the above. However we won't know (at this stage) which car is charging.

3. If you have solar power that is exported to the grid during the day, and charge your car at other times using imported power, we will be able to disaggregate this subject to the charger size issues above.


The system can currently not support:

1. If you have multiple chargers then we aren't currently able to support disaggregation. We are working on bringing this support in time.

2. If you have solar panels installed and are using this to charge your car on trickle during the daytime, we won't be able to detect the charging because we are disaggregating power imported from the electrical grid.

3. If you have solar plus batteries, this will also affect our ability to detect this at this time


What new features are you working on?

The team is currently working on:

1. Integrating data from your car platform (particularly for Tesla, Leaf and BMW drivers). This will both improve the disaggregation algorithm, but also allow us to give you better data on home vs. public charging, and improve almost all of the limitations we have outlined above.

2. Support for Solar plus battery configuration.

3. Support for < 6 kW chargers.

4. Support for multiple home charging systems


As always we welcome any feedback or product suggestions so that we can continue to deliver maximum insight into how your cars and homes use energy. Please contact us at to make your requests or suggestions.


How do the Evenergi Hub and Evenergi App help me monitor my electricity use and save me money?

We have written a comprehensive article to explain how the Hub works.


I have received my free Evenergi Hub but do not want to continue to use the Charge Together services. How do I cancel my free trial?

If you are still in the three month promotional period, you can cancel your free trial of the Evenergi Hub at any time without being converted to full Paid Membership. To do this, you will need to notify us via the app or on our Contact Us page. We will provide a postage-paid return envelope in which you can return the Evenergi Hub to us. We recommend that you obtain proof of posting.


Note: In order to ensure that you are not charged the Membership Fee, it is important that we receive the Evenergi Hub before the end of your Promotional Period. If we receive the Evenergi Hub after this time we may be unable to prevent you being charged the Membership Fee.


What do you do with my electricity consumption data?

Your data protection is of the utmost importance to us. We will only ever use your data in accordance with our Privacy Policy. Please take the time to read this and ensure that you are comfortable with this use of your data.

In particular, as part of the Evenergi Hub and electricity monitoring and optimisation services, Evenergi will collect real time electricity consumption data daily, throughout the day. When you sign up for the Evenergi Hub, we will ask for your consent to obtain electricity consumption data in this way. This consent is needed for us to provide electricity monitoring and other services. You may withdraw your consent at any time by contacting us using the details on our Contact Us page, although please note that this may prevent us from being able to provide certain services.


Please see our Charge Together Terms and Conditions and Privacy Policy for more information.

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  • At Evenergi, we set out to build an energy hub and monitor that uniquely meets the needs of EV owners. One that will save its users well over a £100 per year. There are countless in-home displays and energy apps on the market. All of them do much the same thing, present you your historical electricity usage (sometimes gas also) in varying degrees of detail and, if you’re lucky, instantaneous energy use too. If you’re like me, you initially found these energy tools interesting, perhaps for a month or so. But slowly and surely the in-home display found its way to a cabinet drawer never to be seen again and the apps never get reopened. Why? Because most in-home displays and energy apps fail spectacularly to deliver lasting value to their users, and especially for people who genuinely want to save money, energy or carbon. And they fail even more for EV owners. We saw a huge opportunity to help EV owners save money over the long term - assisting them to optimize how they use energy, how they charge, the tariff that they use and to show clearly how to save energy to reduce costs. Our mission was to create an energy app that would find pride of place amongst on its user's smartphone home screen. So no small challenge then! This article explains how we are delivering on that vision. Features available when you first use the app Below are features available in the Evenergi Hub straight away: Separation of home and car electricity use Your daily and hourly usage Live monitor Ask a question Let’s unpack them… Separation of home and car electricity usage Core value: “disaggregation” of energy costs This feature is unique, globally. To achieve this, we collect a high resolution data stream of your home and EVs combined electricity use via the Evenergi Hub. Then we use a machine-learning algorithm to separate out the EV electricity usage from the home usage. This separation of electricity usage allows us to calculate the EV and home costs separately. It also becomes the basis for many features of the features in the app. [Note: this feature currently has about a 90% accuracy but the more data we collect the better the accuracy will become.] Your daily and hourly usage Core value: Historical energy and cost understanding With the EV and home electricity usage data separated, our first visual feature is the presentation of this data for you. Here we show you home and EV car usage on an hourly and daily basis. Selecting a particular day quickly shows you hour-by-hour energy usage and energy or cost statistics for the day in question. Selecting “hourly” from the header dropdown menu switches the graph and data to hourly information. In this mode you can also explore minute-by-minute data by selecting a particular hour. You might like to try : seeing how much your EV really costs you each day Live Monitor Core value: Real time energy and cost understanding Obtaining a high resolution data stream of energy data also means we can present to you a near real time picture of your home’s energy use. Here we provide you the last 15 minutes of electricity use, updated every 10 seconds. From this you can immediately see the effect of certain appliances and your EV charging being switched on or off. You might like to try : Checking the app before leaving the house to ensure everything is turned off. � � Ask a question Core value: tapping expert knowledge In the features above we have given you a lot of new information about your home and EV that you’re unlikely to have seen before. For the energy nerds amongst you this will be a rich treasure trove of insight. But for others this information might be new and overwhelming. As a big bunch of energy nerds ourselves we would love to help you if you need it. Nothing gets us more excited than diagnosing an energy load curve! You might like to try: reaching out to us when you can’t figure out an energy issue. Unlocked features after three months Below are the incredible features you’ll have access to after we collect three months of data: Tariff optimiser Energy cost manager Baseload manager Incident identifier and notifications Solar calculator Charge time optimiser Tariff optimiser Core value: always being on the cheapest tariff This is set to be one of our most exciting features. We will take your actual energy data as collected by the Evenergi Hub and then calculate how much you could save by swapping tariffs. “What’s so special about that” I hear you ask. Well this is no ordinary tariff comparison engine. This tariff optimizer has several unique features: Compare Economy 7 and Standard tariffs side-by-side Test what happens if you change your charging behaviour (i.e. your percentage of home charging or night time charging) Present you not just lowest night time or daytime Economy 7 rates, but actually work out the best balance of tariff prices for your home based on actual usage patterns. (i.e cheapest night time rates aren’t always best if it means your overall daytime costs end up outweighing your night time costs) As new tariffs enter the market, the app will let you know if you should switch When your fixed tariff is coming to an end it will notify you so you don’t end up on an expensive standard variable tariff Saving potential: it will really depend how much of your time you currently dedicate to optimising your tariff regularly. OFGEM believes that most people could save £200 by swapping tariffs, we think a more modest average saving of £100 is probable for Evenergi customers initially (because you’re more on it!) But over time we could save you a lot more by helping you onto the cheapest tariff when it becomes available, not when you remember to check what’s out there. Energy cost manager Core value: reducing your usage during high cost periods If, like most EV owners, you’re on Economy 7 tariff, you’ll need to manage when you charge and use your main appliances in the home. To assist with this, we’re creating a variant of the Your Usage screen that will help you to see how effectively you are working with your tariff. With the daily and hourly screens you’ll be able to check the split between peak and off-peak energy and cost and see how well you’re doing with charging in the off-peak. Saving potential: if used regularly to subtly adjust how you run your home and car, it could save you around £30 p.a. Baseload manager Core value: understanding what’s always on in your home Every home has devices that are always plugged in and always on, even if they might look otherwise. This includes your refrigerator, freezer, the standby of your home entertainment system amongst others things. With the baseload manager you’ll be able to understand how much this is costing you and then with the Live Monitor you’ll be armed with the tool to reduce those costs. Savings potential: small changes to what’s always on might save you up to £20 p.a. Incident identifier and notifications Core value: we automatically let you know when a saving is possible We are going to progressively add analytics to our app to help to identify opportunities to save energy. This will include letting you know if you’re burning it hard in peak price times, have stuff on when we’d normally expect it to be off, letting you know about new energy saving technology and much more. Saving potential: hard to tell right now but we estimate £20-£30 per year. Coming soon... Solar calculator Core value: working out whether solar is right for your home and EV This is another super exciting feature. We’ll help you to work out highly accurate savings and return on investment for buying solar. As outlined in this article , solar and EVs are a match made in heaven and most solar calculators won’t help you to understand exactly how much of a match. Saving potential: if this tool is the difference between buying and not buying solar which we think it will be for many of you, then we’ll claim credit for savings of about £400 per annum, thanks ;-). Charge time optimiser Core value: optimizing when to charge for lowest cost If you have solar on your roof, is it better to charge today or tomorrow? We’ll be answering that question for you by integrating weather data into the app to let you know the best time to charge based on how regularly you need to charge and what your options are. Savings potential: we are not exactly sure yet because we want to see the data first but it could be significant if you regularly plan to charge with the sun but might miss better Economy 7 times to charge or regularly misjudge the weather. In summary… The Evenergi Hub is an exciting, must have product for any EV owner. We think we can save the average user between £50 and £150 p.a. with the features planned. And these are just the features we plan for the immediate future. There are lots more cooking. We also look forward to your feedback on these features and would love to hear your suggestions of others we could integrate into the app.
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Suite 561
41/464-480 Kent Street

Sydney NSW 2000

United Kingdom

Evenergi UK Ltd

35 Ballards Lane

London N3 1XW


Le Square - Renault Open Lab Innovation 

3 passage Saint Pierre Amelot

75011 Paris