A US energy company is testing power-to-gas systems that store energy from renewable energy production, including solar power, during times of excess supply.

Sonnenbatterie, considered to be one of the market leaders in Germany’s emerging solar-plus-storage sector, claims the new version of its Sonnenbatterie Eco battery storage system has as much as double the potential lifespan of previous models.

An advanced microgrid comprised of four smaller, interlinking grids has been unveiled in Texas by power electronics firm S&C and energy management company Schneider.

Research into energy storage and related technologies has been given a boost in the US in the past few days, with a major utility company committing funding in Indiana for renewables integration and New York’s governor announcing the creation of a research facility.

US provider of energy storage control systems and turnkey storage projects Greensmith has launched simulation and modelling software that the company claims will educate customers on decisions that can “make or break ROI (return on investment)”.

Solar power systems serving an oilfield in Qatar will be fitted with utility-scale energy storage batteries, helping to ensure the continuity of operations at 775 oil wells.

More than two-thirds of the population of sub-Saharan Africa (SSA) is still without electricity, with the figure rising to more than 85% in rural areas. Andrew Jones of S&C Electric looks at how energy storage could play a crucial role in realising the continent’s solar potential.

Bosch looks likely to become the latest big name to participate in a government-funded micro-grid trial, with the company proposed to receive almost US$3 million from California’s energy policy planning agency.

Lithium-ion (Li-ion) batteries accounted for 90% of all proposed grid storage projects in 2014, according to a new study by Lux Research.

Andy Colthorpe met Enphase vice president of products and strategic initiatives, Raghu Belur at PV Expo in Tokyo last week. The company’s co-founder explained why he felt Enphase will offer the market a reinvention of behind the meter home energy storage, specific criteria for differentiating energy storage products and what made Japanese battery vendor Eliiy Power the right fit for the Energy Management System.