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The U.S. has thousands of lakes and reservoirs that could be paired for pumped hydro storage without the need for rivers. Ollo via Getty Images

Batteries get hyped, but pumped hydro provides the vast majority of long-term energy storage essential for renewable power – here’s how it works

A team of researchers found 35,000 pairs of existing reservoirs, lakes and old mines in the US that could be turned into long-term energy storage – and they don’t need dams on rivers.
Shutterstock

Check your mirrors: 3 things rooftop solar can teach us about Australia’s electric car rollout

The electric vehicle transition is about more than just scrapping petrol cars. We must also ensure quality technology, anticipate the future and make sure no-one gets left behind.
Glenn Hunt

In a world first, Australian university builds own solar farm to offset 100% of its electricity use

Households shouldn’t have to do all the heavy lifting in the renewables transition. A new solar farm shows organisations and businesses how it’s done.
The costs of renewable energy, including solar photovoltaics, is declining rapidly. (Shutterstock)

Why Ontario must rethink its nuclear refurbishment plans

Investing billions in refurbishing nuclear generating stations doesn’t make economic sense as the cost of renewables fall dramatically.
Large scale wind farms are driving Australia’s renewable energy generation. AAP Image/Supplied by CWP Renewables

Australia is the runaway global leader in building new renewable energy

Australia is installing renewable energy at more than ten times the global average. This is excellent news, but raises serious questions about integrating this electricity into our grids.
An all-renewable grid will mean more electricity and more transmission lines. Russ Allison Loar/flickr

How to have an all-renewable electric grid

We have all the technologies needed to make the electric grid run on renewables and lower pollution. What are they and what are the barriers to adopting them widely?
Expanding solar power potential more than it’s needed could replace more expensive energy storage. Jamey Stillings

A radical idea to get a high-renewable electric grid: Build way more solar and wind than needed

Solar and wind can’t deliver power on demand. But overbuilding solar and wind, and simply dumping unneeded energy, would go a long way to smoothing out those bumps, study finds.

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