Electricity generated by fossil fuels is increasingly unsustainable and a shift towards renewable energy – principally from the sun and wind – is vital. Renewable generation is already less expensive per unit than its polluting counterparts, but the fact the sun doesn’t always shine and the wind doesn’t always blow presents an obstacle to a serious takeover of the energy sector.
As a broadly trained life scientist, my concern about climate change isn’t the health of the planet. The rocks will be just fine! What worries me is a whole spectrum of “wicked” challenges, from sustaining food production, to providing clean water, to maintaining wildlife diversity and the green environments that ensure the survival of complex life on Earth.
A high-tech Sydney apartment building has turned solar energy retailer to knock around 20 per cent off residents’ power bills. Apartment solar energy has been an elusive concept, but this may be the start of a new approach.
The Western Australian government is investing in a Tesla Powerpack battery to help Mandurah residents store excess solar power. A 12-month community storage trial will allow Western Power and Synergy customers to ‘bank’ excess solar power for later use.