Australian news, and some related international items

If we want to cut energy bills we must stop wasting energy

Britain could save at least £100 billion if it stopped wasting so much
energy, an investor in the sector has said. Jonathan Maxwell, founder and
chief executive of Sustainable Development Capital, accused the government
of looking at the energy crisis “the wrong way round” and of failing to
recognise the savings that could flow from making the nation more energy

He said the government’s plan to spend an estimated £150 billion
subsidising consumers’ bills should be seen as “a huge wake-up call”
that Britain has to restructure its energy markets. However, he was aghast
that Liz Truss had said “nothing” substantial on energy efficiency,
given the “high level of waste, inefficiency and outdated
infrastructure” in the system.

Maxwell said that 82 per cent of the
world’s energy comes from oil, gas and coal, with as much as 70 per cent of
it “lost” before it even reached the end user: 10 per cent in
extraction; 50 per cent in gas turbines, where the heat from generation
does not reach the customer; and 10 per cent in transmission and
distribution inefficiencies associated with a centralised grid. “Then, at
the point of energy use, you lose even more,” he said.

More than half the
energy used by buildings can be wasted via such things as inefficient air
conditioning or lighting systems, with some of the biggest culprits in the
public sector — “hospitals, schools, Ministry of Defence sites”.

He welcomed any initiatives to encourage households to cut energy consumption,
but “the bigger problem is outside the household. Public and commercial
buildings, heavy industry and transport are responsible for much more
energy waste than households.”

He said “the good news is you can cut
energy use quickly: you can rooftop solar or, instead of generating energy
in the middle of nowhere and losing it, you could bring the generation to
the point of use with a decentralised grid”. However, “the government’s
. . . focus is on adding more energy. I’m not saying we don’t need that,
but even if you build everything — more gas, nuclear, wind, solar, frack
everywhere — most of it will take ten to fifteen years. But we can stop
wasting energy now.”

Times 12th Sept 2022


September 12, 2022 - Posted by | Uncategorized

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