Flow in flux: Long duration batteries in fight to commercialise

It’s been predicted for some time that the redox flow energy storage space will, after some turmoil and rapid consolidation, find success in providing energy storage at durations of more than four hours. This past couple of weeks have been a tale of both turmoil and success.

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From ‘squishy batteries’ to pre-packaged systems – how the times are changing

ELM FieldSight has partnered with power conversion specialist Ideal Power on a number of microgrid and related projects, designing and supplying the control system that makes the system tick, balancing the different distributed energy sources plugged into it. Vice president of operations Jason Petermeier shared his thoughts on recent projects, not-so-recent projects and where microgrids are heading.

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Flexible multiport power conversion systems deliver resilient hybrid microgrids

Islands are particularly vulnerable to the impacts of natural disasters such as hurricanes. John Merritt of Ideal Power looks at some of the emerging solutions to building more resilient energy systems through the deployment of microgrids that combine multiple energy generation and storage technologies.

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Mission-critical: Challenges in building resilient microgrids for the US Military

Microgrids ensure energy security for mission-critical loads at military bases, and reduce reliance on fuel during grid outages. While they have much in common with many of the technologies used in ‘other’ microgrids, the stringent technical requirements involved add a new layer of complexity, explain Lisa Laughner and Tony Soverns from provider Go Electric.

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Energy-Storage.News 2017: Best of the guest blogs, Part 1.

Since the launch of the site almost four years ago, Energy-Storage.News (and PV Tech Storage as it was previously known), has consistently brought you high-quality blogs from both guest contributors and our team of journalists and experts here at Solar Media. Here’s just a selection of some of the best guest blogs we ran from January to June, 2017:

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Powerhive: Minigrids and mobile money are perfect answers for Africa’s electricity access questions

Powerhive has been delivering access to electricity for rural and remote communities since its inception in 2011, classifying itself as much as a technology company as it is a developer or vendor of energy solutions. Andy Colthorpe spoke with Daniel Porras, vice president for impact and communications and a member of the executive team.

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Adoption of new solar bidding guidelines slowing down Indian tenders

Shaurya Bajaj, analyst at consultancy firm Bridge to India, looks at the pace of tender activity in India’s PV market.

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EFPs, CFDs and every other acronym in between: solar’s role in the Helm review

Liam Stoker takes a look at the acronym-tastic review of energy costs, led by Dieter Helm, which recommended, among more than 60 other things, the phasing out of CfDs and the introduction of equivalent firm power auctions.

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EFR: Inside Vattenfall’s first grid-balancing UK project

No one moment took energy storage into the mainstream of the UK power system more than the outcome of National Grid’s August 2016 tender for Enhanced Frequency Response (EFR). Reporter David Pratt examines the business case behind Vattenfall’s first EFR project and asks what grid operators and regulators’ next moves are likely to be.

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With backing of Japanese giant, leading India mini-grid developer heads to Africa

Mitsui & Co., a major Japanese industrial conglomerate, has formed a Joint Venture (JV) with leading India mini-grid developer OMC Power to expand their mini-grid business into Africa. The new JV is part of a ¥1 billion (US$9 million) equity investment by Mitsui in OMC Power.

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New guidelines for Indian solar power procurement to bring confidence to the sector

Consultancy firm Bridge to India explains how the proposed changes are a major improvement on the current framework.

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