Our 2017 Green Impact Report

 
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2017 was the UK’s greenest year ever. We were so excited we wrote a blog post all about it. And a huge part of this achievement was down to individual heroes who chose to go green. We think it’s really important to communicate the individual impact you can have by choosing a renewable supplier. That’s why we send a Green Impact Report to all our members every year. We like to find fun ways to explain your individual carbon saving, and that of the whole Bulb Community.

Climate change heroes

By being with Bulb, all our members are helping to save CO2 from entering the atmosphere. Depending on your consumption, you might have saved the weight of a giant oceanic manta ray.

 

 
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Or even an orca!

 

 
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And with so many new Bulb members, we are collectively having a BIG impact. Together, we’re saving 374 million kg of CO2 from entering the atmosphere every year. That’s a lot of CO2. In fact, it’s like planting 187 million trees. That’s enough to cover Edinburgh, Cardiff, Manchester, Newcastle and Central London in forest. 

 
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If you’re curious, you can see an example of the full copy of the report here. Just click on the image to zoom in.

Calculating impact

And if you’re wondering how we got to manta rays and orcas, let us explain the calculations. We took what we know about each member's usage and compared it to data from the Government on CO2 emissions. The average home in the UK produces 0.254 kg per kWh of electricity and 0.185 kg of CO2 per kWh for gas. We use Ofgem's data on domestic energy consumption to see how much CO2 a typical home produces. A typical home with medium energy usage uses 3,100 KWh of electricity every year and 12,00 kWh of gas. So, the same home typically produces 3.4 tonnes of CO2 every year. Quite a lot! At Bulb, electricity is 100% carbon free and gas is just 0.166 kg/kWh. So, by being with Bulb, the same home produces only 1.9 tonnes of CO2, saving 1.5 tonnes of CO2 from entering the atmosphere. Which is the weight of a walrus!

And we used research by the Forestry Commission to see our carbon saving compared to the hard work trees get up to. A recent study carried out at Kielder Forest found that the Forest’s 150 million trees lock up 82,000 tonnes of carbon every year. A rough estimate means each tree at Kielder is locking up 0.546 kg of carbon per year – equivalent to 2 kg of carbon dioxide. So, when you look at how many trees you’d need to plant to lock up the collective carbon saving of the Bulb Community (all 374,000 tonnes of it), you’d be planting a lot of trees. 187 million, in fact!


What do you think?

What did you think of our 2017 Green Impact Report? We’d love to know your thoughts. And any good ideas for next year’s. Drop us a line at hello@bulb.co.uk

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