Many people, conscious of their impact on the environment, opt for a ‘green’ energy tariff that claims to be up to 100% renewable.
But, unfortunately, there are many shades of green, and your tariff may not be as environmentally-friendly as you first expected.
Consumer organisations such as Which? have raised the red flag around green tariffs that don’t really supply 100% renewable energy, and now energy regulator Ofgem has said it will take action. In January, the regulator said: “We are aware of growing concerns about ‘greenwashing’, where the environmental impact of a particular tariff or supplier is overstated. We expect suppliers to be transparent about what constitutes a ‘green tariff’ and we will undertake work to ensure that consumers are not misled.”
If you choose a green tariff, it’s important to understand that the electricity you use still comes from the National Grid, just like with other suppliers and tariffs. This means your energy comes from a mix of sources, such as coal, hydro, nuclear and solar (however, they are increasingly low carbon). Everyone getting electricity from the National Grid gets the same stuff, regardless of the tariff they are on.
So, where does ‘green’ come into it? A green tariff lives up to its name by the supplier making purchases of renewable energy on your behalf to ‘match’ some or all of the electricity you buy.
Suppliers go about this in different ways and the result is that some tariffs are far greener than others. Concluding its research into green tariffs last year, Which? put suppliers into three groups, with the first being decidedly the greenest:
It’s little surprise that confusion over green tariffs is a barrier to switching. That’s the case for over a third (38%) of people, according to a YouGov poll published in November. A further 21% said not knowing which green energy supplier to use would also be off-putting.
The best way to ensure you are using 100% renewable energy is to generate it yourself, using solar panels or another type of renewable energy generation.
But if you aren’t in a position to do that, you should still consider a green tariff. With a bit of homework you can find one that is genuinely green. And by doing so, as Energy Saving Trust argues, you will be sending a clear message that you care about the carbon content of your electricity, and you would like the energy industry to do what they can to reduce it.
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