How long should a solar subsidies, or any subsidy, last? Artur Debat/Moment via Getty Images

How to design clean energy subsidies that work – without wasting money on free riders

Start high, drop fast and avoid the free-riders: How to design subsidies that can boost clean energy in the US and elsewhere.
The more laundry you do, the more you can save with efficient washers. Rawpixel/Shutterstock.com

Not all consumers are equal – in terms of what they save by using efficient appliances

People who use an appliance a lot save more from an energy efficient model. With the right app, they could easily get a sense of their own potential savings when they shop.
Grid-scale energy storage systems may make it easier to rely completely on renewable energy. petrmalinak/Shutterstock.com

How energy storage is starting to rewire the electricity industry

Saving power to use later lets consumers, businesses and utilities generate energy when it’s cheap and deliver it when they need it most. There’s not much of it today, but the industry is growing fast.

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