Stem is a Millbrae, California, startup that sells and leases its battery energy storage system, which is marketed as a way to reduce consumers’ energy bills. Specifically, the company makes a lithium-ion battery connected to analytics software that determines the best times to draw energy from the battery, thereby reducing electricity demand (more…)
One of the big questions about solar power is how to supply sun-driven electricity at times of peak demand. Demand spikes in the early morning, before the sun is high enough to hit solar panels, and in the early evening, when solar panels operate at only at half efficiency in the low light. Cost-effective storage has been a major issue to be solved. (more…)
Large, grid-scale batteries capable of storing the extra electricity are resource-intensive and costly to (more…)
What happens when there’s no wind and wind turbines stop turning? What provides the back up power for this clean energy source on calm, windless days?
General Electric recently introduced a wind turbine equipped with a storage battery, creating a type of “hybrid” turbine that industry leaders hope will improve the integration of intermittent energy sources onto the grid and reduce the costs of wind power. (more…)
LED lighting remains the hottest area of green patent litigation, with several complaints filed in the last several weeks. Green patent complaints were recently filed in the areas of advanced batteries and solar powered lighting as well. (more…)
A previous post reported on the acquisition of Beacon Power, formerly the largest flywheel player, after the company went bankrupt.
One of the technical hurdles faced by designers of these whirling rotational energy storage devices is that spinning masses have a natural “wobble.” Most flywheel designers have employed (more…)
One of the problems with wind power is that when there is no wind then there is no power. Offshore wind could provide abundant electricity — but as with solar energy, this power supply can be intermittent and unpredictable. A new approach from researchers at MIT could mitigate that problem, allowing the electricity generated by floating wind (more…)
A plastic material is any of a wide range of synthetic or semi-synthetic organic solids that are moldable. Plastics are typically organic polymers of high molecular mass, but they often contain other substances. How about mostly sulfur? A new chemical process can transform waste sulfur into a lightweight plastic that may improve batteries for (more…)