Distributed Storage

A French-Turkish research team has created an economic model to optimize scheduling for solar-powered EV charging units. The proposed model suggests that such projects might be more profitable today than at the end of the decade, depending on a wide range of variables.

The manufacturer said its new hybrid device includes a maximum power point tracking system, which makes it ideal for east/west oriented rooftop PV systems. The inverter is available with power outputs of 3 kW and 6 kW and is compatible with most lead-acid and lithium-ion batteries that are made by leading storage specialists.

Scientists at Monash University claim to have developed the world’s most efficient lithium-sulfur battery. They say the new device could enable an electric vehicle to drive more than 1,000km on a single charge.

The German storage system provider intends to use its ‘Sonnen-Flat’ payment package to help customers benefit from the proceeds of its virtual power plant.

A project on Isabela Island in Ecuador’s Galapagos archipelago has given its 3,500 inhabitants energy generated by local resources, including plant oil produced on the continent. Preferable to a logistically challenging and hyper expensive extension of the mainland grid, if the $13 million island system were installed today, it would be cheaper than when it was contracted four years ago.

The devices, developed by a European research team, are said to have twice the energy density of conventional aluminum devices. The scientists used a cathode made of anthraquinone, instead of one based on graphene, increasing energy density.

The Turkish Energy Market Regulatory Authority has published draft guidelines for the integration of storage in the energy system. The new provisions are expected to come into force at the beginning of next year.

The Japanese electronics manufacturer said the EverVolt storage system is available in the U.S. market in AC and DC-coupled versions, with a storage capacity ranging from 5.7-34.2 kWh, depending on the model chosen.

Grid expert Andrea Mansoldo tells pv magazine how energy markets based on solar and storage are feasible as an alternative to costly grid infrastructure work. He says around 6 GWh of battery capacity may be a good alternative to building 1000km of power line or an AC 750 kV high-voltage line.

Yolk yesterday won the Aid Innovation challenge at the 2018 AidEX in Brussels. Using solar PV in a fun, novel manner, the Korean social enterprise has addressed major social problems in under-developed countries.