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Climate change: LED lights making dent in UK energy demand

Climate change: LED lights making dent in UK energy demand

But if millions choose LEDs, then with a twist of the collective wrist, their efforts will make a small but significant dent in the UK's energy demand.
Studies show making products more efficient has - along with other factors - already been slightly more effective than renewable energy in cutting CO2 emissions.
The difference is that glamorous renewables grab the headlines.screen power supply
The "Cinderella" field of energy efficiency, however, is often ignored or derided.The new analysis of government figures comes from the environmental analysis website Carbon Brief.
Its author says EU product standards on light bulbs, fridges, vacuum cleaners and other appliances have played a substantial part in reducing energy demand.
Provisional calculations show that electricity generation in the UK peaked around 2005. But generation per person is now back down to the level of 1984 (around 5 megawatt hours per capita).
How much carbon has been reduced?
It’s widely known that the great switch from coal power to renewables has helped the UK meet ambitions to cut carbon emissions.
The report says the use of renewables reduced fossil fuel energy by the equivalent of 95 terawatt hours (TWh) between 2005 and now. And last year renewables supplied a record 33% share of UK electricity generation.
But in the meantime, humble energy efficiency has contributed to cutting energy demand by 103 TWh. In other words, in the carbon-cutting contest, efficiency has won – so far. And what’s more, efficiency is uncontroversial, unlike wind and solar.
What role has industry played?
The energy efficiency story doesn’t just apply to households. There have been major strides amongst firms, too. Big supermarkets have worked hard to improve the performance of their lighting and refrigeration.
And because firms and individuals are using less energy, that has offset the rise in energy prices. So whilst the prices have gone up, often bills have gone down.
The issue is complicated, though. Other factors have to be taken into account, such as energy imported via cables from mainland Europe, population growth and shifts from old energy-intensive industries.

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