By the middle of the 2020s, using hybrid ‘portfolios’ of batteries and renewable energy sources will economically outperform existing gas power plants, while the combination of technologies is already cost-competitive with building new gas plants, a new report from the US-based Rocky Mountain Institute has said.

New technologies and designs aimed at driving down the cost of energy storage facilities are currently the focus of intense industry R&D. Sara Verbruggen reports on DC coupling, an emerging system architecture that many believe will soon become the industry standard.

Energy Storage Special Report 2019, from the editorial teams behind Energy-Storage.news and PV Tech, brings you no less than seven feature articles and technical papers looking at everything from the policy and regulatory initiatives that still need to happen, to bankability and profitability of ESS, system technologies and architecture, all the way to recycling and end-of-life care for batteries.

A new white paper from Wärtsilä Energy shows that being able to integrate and then optimise all of these different assets is the key to ensuring that your project – and your investment – is going to provide the maximum benefit, longest possible lifetime in the field – and the best business case. Risto Paldanius, Director of Business Development, Energy Storage and Integration at Wärtsilä told us a bit more about what optimization really means in today’s energy market.

Schmid and Saudi companies are also planning a gigawatt-scale manufacturing facility for Vanadium Redox Flow Batteries.

Liquid air energy storage (LAES), so far only deployed at scale at two sites in England, will be available in a number of new territories after manufacturer Highview Power signed a deal claimed to be worth €1 billion (US$1.12 billion).

Homeowners across Afghanistan are set to benefit from the country’s first pay-as-you-go (PAYG) home solar systems combined with energy storage batteries, being delivered in a pioneering new programme.

PV manufacturer and EPC Philadelphia Solar says it has achieved commercial operation of an expansion phase to one of the first solar projects built in the MENA region where energy storage has been added.

Sodium sulfur (NAS) batteries produced by Japan’s NGK Insulators are being put into use on a massive scale in Abu Dhabi, the capital of the United Arab Emirates.

We hope you’ve enjoyed our series looking back on last year’s challenges, milestone and successes and looking ahead to a busy 2019. After featuring a range of views from industry participants and experts, now it’s my turn to throw out some predictions for the year ahead…