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AC vs DC-Coupled Batteries: What you should know

There is no shortage of vendors looking to offer batteries and energy storage for the residential market. Greg Wolfson of Enphase discusses AC- and DC- coupling of batteries and why his company felt AC is the way to go.

Selecting storage solutions in residential PV systems

By combining PV with a storage solution, homeowners gain from a variety of possibilities to increase self-consumption, improve system profitability, and get backup power. However, it is important to know how to select the right kind of storage solution. Lior Handelsman of SolarEdge discusses some of the main factors involved.

Transforming the market for virtual power plants with advances in energy storage

From the outside, the VPP looks like a single power production facility that publishes one schedule of operation and can be optimised from a single remote site. From the inside, the VPP can combine a rich diversity of independent resources into a network via the sophisticated planning, scheduling, and bidding of DER-based services. Peter Asmus examines the role energy storage can play within this architecture.

Tesla’s second master plan: A look ahead

  • Christopher Robinson, research associate at Lux Research
  • Jul 25, 2016

It’s no surprise that Elon Musk’s announcement that he was working on Tesla’s second master plan was met with great anticipation. Lux Research’s Chris Robinson looks in depth at the new strategy, which included autonomy, solar power, some vehicles we expected, and some vehicles we didn’t.

Taking a Scottish-made heat battery to China

Sunamp, a maker of heat batteries from Scotland, UK, was recently selected to go on a special mission to showcase its wares in China as one of a number of startups. Maurizio Zaglio from the company talks about his experiences in Shenzhen.

What on earth would we do without net metering?

For over a decade, net metering has been a crucial component of the economic puzzle for renewable energy, allowing both residential and commercial rooftop PV owners to realise favourable returns on their solar equipment investment. John Merritt of Ideal Power Conversion looks at some of the arguments and counter-arguments and says solar-plus-storage could be the natural successor to the policy - starting at commercial and industrial (C&I) level.