I was writing a book about sustainable energy, and a friend asked me, 'Well, how much energy do you use at home?' And I was embarrassed. I didn't actually know. David J. C. MacKay askbookembarrass Change image and share on social
Fusion power is speculative and experimental. I think it is reckless to assume that the fusion problem will be cracked, but I'm happy to estimate how much power fusion could deliver, if the problems are cracked. David J. C. MacKay assumecrackdeliver share on social
To have constructive conversations about the world's energy options, one needs to take a calm look at the numbers. David J. C. MacKay calmconstructiveconversation Change image and share on social
Fridges can be modified to nudge their internal thermostats up and down just a little in response to the main's frequency in such a way that, without ever jeopardising the temperature of your butter, they tend to take power at times that help the grid. David J. C. MacKay butterfrequencyfridge share on social
Electric cars are really very cool. Air-source heat pumps are great. David J. C. MacKay aircarcool Change image and share on social
The amount of energy saved by switching off the phone charger is exactly the same as the energy used by driving an average car for one second. David J. C. MacKay amountaveragecar Change image and share on social
I was distressed by the poor quality of the debate surrounding energy. I was also noticing so much green wash from politicians and big business. I was tired of the debate - the extremism, the nimbyism, the hair shirt. We need a constructive conversation about energy, not a Punch and Judy show. I just wanted to try to reboot the whole debate. David J. C. MacKay bigbusinessconstructive share on social