Michael Herman
Registered User
- Messages
- 20
Difference is where the company buys its electricity, which would be from wholesale suppliers or generators that produce (or buy) electricity from renewable sources only. This is what feeds then into the Grid overall.
So by choosing renewable supplier you essentially cause a change of the overall mix in the Grid to more renewables.
@Zenith63
If people on green tarriffs are 1% of electricity consumption, and 20% of electricity consumption is renewable then there can always be some form of accounting presentation that tells you that 100% of their consumption is renewable over the course of a year.
As a matter of physics, if there is zero renewable input to the grid at a point in time, and you have the kettle on, then you are not consuming renewable electricity.
This second point is also a bit specious. What you really want to know is whether you choosing a green tariff has a marginal impact of causing a wind turbine to spin rather than a gas-powered station to fire up.
I am not a power engineer - and would welcome the input of one - but my guess is that this does not happen very often.
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