Category Archives: Storing energy

Hydro power drives species extinction and moved 40 million people

One of the reasons I can’t sign off on wholesale adoption of on-river hydropower as a battery to ‘firm’ a 100% renewable grid is that it is just too destructive. We need to address climate change, but not destroy the … Continue reading

Posted in Conservation: saving life, Storing energy | Leave a comment

SOUTH AUSTRALIAN SUPER-BATTERY

SOUTH AUSTRALIAN SUPER-BATTERY, or why I disagree with Elon Musk on batteries for renewables. (I disagree with great sadness, as you might have noted I love everything else Elon does. 😉 ) I don’t get it. Say we take Elon … Continue reading

Posted in Renewable energy, Storing energy | Leave a comment

What do I make of Powerwall?

While Tesla’s Gigafactory is bringing down the *financial* cost of batteries, the *energy* cost of building them is still the same. And that cost is huge. So huge that once counted in the energy accounting of a wind and solar … Continue reading

Posted in Renewable energy, Storing energy | Tagged , , , , | 6 Comments

Science show pushing renewables contradicts itself

Try listening to the interesting (but for me ultimately infuriating) ABC Science Show podcast below, and spot the contradiction. I see contradicting renewable philosophies all the time. They push conflicting ideas. Baseload or not? Some claim they’ll make renewables baseload … Continue reading

Posted in Renewable energy, Solar, Storing energy, Wind | 4 Comments

NREL and the baseload myth

One of the great problems with charging a whole fleet of electric cars is how would the grid cope. Would we have to double our daytime capacity and build out a super-grid as electricity demand skyrocketed! But NREL to the … Continue reading

Posted in Electric Vehicles, Nuclear, Storing energy | Tagged , , , | Leave a comment