It won't be long before solar-plus-battery systems become cheaper than utility-sourced electricity.
More solar capacity was installed in the last 18 months than the last three decades combined, according to new data.
Distributed energy storage could fuel commercial solar while addressing emerging problems with the electric grid.
Opower's CEO says utilities are well aware of shifting energy trends, with many investing in technology to change.
Tesla's plan to build the world's largest battery factory next year could transform the power industry.
At the ARPA-E Summit, technologists and energy users made the case for innovation that makes the energy grid look like an "antiquated backup."
Tech and economic forces are helping to shape a low-carbon energy future.
The rural town of Feldheim has become a surprising leader in clean energy.
The rise of renewable energy is driving home how companies that fail to innovate will fall behind.
It's clear that utilities' business models need to evolve. For starters, it's no longer about selling more electricity.
Connecting the dots between utilities and consumer packaged goods companies doesn’t require as many dots as you might think.
This year, virtually every utility is grappling with multiple problems. From policy pressure to Big Data, here are the top concerns.
Imagine if an app could talk with sensors in a power meter, apartment building or highway, displaying data in real time.
Has rooftop solar become too hot in Hawaii? As one utility eases up on installations, other states should brace for the rise of solar.
Renewables, EVs and retrofits all played a role in the transition to a more prosperous and secure energy future.
On paper, Energy Upgrade California looks like a sure winner. So why has it failed to achieve its goals?
Thanks in part to this cost-effective tech, the Lone Star State kept its lights on when the polar vortex hit.
How much can change in the six years leading up to 2020? Think about how much changed from 2007 to 2013.
By the end of the 1980s, Varese Ligure was becoming a dying town. Then its mayor embraced environmental stewardship, and everything changed.
Thanks to bold initiatives, the Colorado city hopes to become a zero-energy district.