Viewing smart meter usage charts in the Bulb app

If you’ve got smart meters, you’ll see charts in the Bulb app to help keep track of your energy usage over time. 

You’ll see the usage charts if your smart meters are:

  • second generation (SMETS2) - if they were installed by Bulb or you got them after February 2019, they're probably SMETS2
  • first generation (SMETS1) and have the manufacturer’s name ‘Secure’ written on them - this is the type of first generation meter we can read automatically

If you’ve only just had a smart meter installed, you might not be able to see the usage charts yet. Wait a couple of days and when we’ve gathered enough data, we’ll show your charts.

If you’ve had smart meters for a while and can’t see your usage charts, try updating to the latest version of the app. It’s available in the App Store and the Google Play Store.

 

Viewing your energy usage in the app

Choose ‘Usage’ on the home screen in the app to see your usage charts.

Once you’re in the usage tab, you can choose between 4 different views:

  • Day
  • Week 
  • Month
  • Year

A close-up of the usage tab that shows Day, Week, Month, and Year buttons

To switch between views, tap on the name of the view you’d like to explore. For example, ‘Day’ or ‘Week’. 

Which charts you’ll see will depend on how often your smart meter takes readings. You can change how often your meter takes readings in your Bulb account, or the app, at any time.

Day view

This chart gives the most detailed picture of your energy usage. It’s only available if you’ve set your meter to take half-hourly readings. 

The charts are updated once a day, just after midnight. So in the morning, you can just tap ‘Day’ to take a look at your previous day’s usage.

The horizontal axis, which runs along the bottom of the chart, shows the time across a single day - running from midnight to midnight. The vertical axis shows the cost of your gas or electricity usage for each half hour of the day in pounds (£) and pence (p). The total for the day is above the chart.

A line graph showing patterns of gas and electricity usage across a single day, including costs. Total used £1.01.
This chart shows patterns of electricity and gas usage on 31 July. The flat blue line shows times when the member wasn’t using any gas at all.

Over a single day, you’ll see the patterns of your gas and electricity usage - when you’re using the most, and how much that costs.  

Week view

Tapping ‘Week’ will show your weekly usage, running from Monday to Sunday. 

You’ll see this chart if your meter takes:

  • half-hourly readings
  • daily readings

A bar chart showing gas and electricity usage from 13 to 19 July. Total usage for the week is £14.41.

Your total usage for the week is shown above the chart. And each vertical bar on the chart shows your total usage per day. If Bulb supplies your gas and electricity, you’ll see the split between how much gas and electricity you’ve used. 

We update the weekly chart once a day, just after midnight. 

Month view

Tapping ‘Month’ will show your usage for each day in your chosen billing period.

You'll see this chart if your meter takes:

  • half-hourly readings
  • daily readings

Your total usage for each billing period is shown above the chart.


A bar chart showing varying gas and electricity usage costs over a monthly billing period from 28 July to 27 August

Any usage for previous months is shown using your current tariff rate. It’s worth noting that the total cost in this view might not always match your statement. This is because your statements use a combination of smart, manual and estimated readings.

Read more about how Bulb charges for energy usage.

Year view

Tapping ‘Year’ will show your usage patterns as they change from month to month. You’ll see this chart if your meter takes:

  • half-hourly readings
  • daily readings
  • monthly readings

Each vertical bar on the chart shows your total usage per month. If Bulb supplies your gas and electricity, you’ll see the split between how much gas and electricity you’ve used. 

A bar chart showing gas and electricity usage costs over one year, January to December 2020.

We update the yearly chart once a month after the last day of your billing cycle.

We’ll show ‘average usage’ when your meter sends us a combined reading

You’ll see gaps in your usage when we haven’t received an automatic meter reading. This usually happens when we temporarily lose connection with your meter.

Gaps in your usage normally don’t last long. But if your charts have been missing data for more than a week, email help@bulb.co.uk and we’ll look into it. 

Your meter will still be recording your usage, even if we lose connection temporarily. And when we’re able to communicate with your meter again, your usage during that time will be labelled as ‘average usage’. 

It might look something like this:

A bar chart showing weekly gas and electricity usage. Two bars are greyed out to show averaged usage for those 2 days

We show your ‘average usage’ because your meter sends us a combined reading covering the period of time we couldn’t communicate with it. To fill in the gap, we work out the difference between the last reading before we lost connection with your meter, and the first one after the connection was restored, and divide your usage across those days.

This still reflects your actual usage, so you’ll never pay for more energy than you’ve used.

Your charts include VAT and the daily standing charge

Your smart meter readings tell us how much energy you've used in kilowatt hours (kWh). We calculate the cost of your usage based on your tariff, and then add VAT and the daily standing charge

Costs on your In-Home Display (IHD) won’t always be the same as your charts 

If we installed your smart meter, your IHD will come with an option to see your ‘Usage so far this billing period’. This includes the daily standing charge, and will usually match up with the costs in the ‘Month’ view chart.

Costs for gas on your IHD always include the daily standing charge, which is applied at midnight for the upcoming day. So, gas costs on your IHD will usually match up with the costs in the ‘Day’ view in your gas usage chart. 

The standing charge isn’t included automatically for electricity costs on the IHD, but our IHD user guide can show you how to display them.

 

 

 

 

 

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