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Feature
Editor's blog

Your most-read energy storage stories of 2017

2 Jan 2018, 17:58 • By Andy Colthorpe
Your most-read energy storage stories of 2017

Well, we seem to say it at the end of every year, but 2017 seemed a lot busier than 2016, 2016 was busier and more exciting than the year before that, and so on! There have been some hints already on what the industry and its observers expect to see in 2018 and we do not doubt energy storage will continue in its rise to become a flexible cornerstone of the world’s electricity infrastructure. In the meantime, let’s reflect on the top news stories of last year, as reported by Energy-Storage.News and based on readership statistics from you:

Feature
Guest blog

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

20 Dec 2017, 14:15 • By Andy Colthorpe
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:

Feature
Editor's blog

Blockchain, energy storage as T&D infrastructure and Jigar Shah’s ‘freedom to invest’

19 Dec 2017, 13:34 • By Andy Colthorpe
Blockchain, energy storage as T&D infrastructure and Jigar Shah’s ‘freedom to invest’

The digital ledger system blockchain has been both praised and misunderstood in equal measure and its relationship to the physical world of electrons is at its earliest stages of exploration. In the latest ‘Storage & Smart Power’ section of PV Tech Power, Carsten Reincke-Collon, CTO of Younicos looks at how energy storage and management software will interact with blockchain-led or blockchain-like systems of data processing and recording.

Feature
Interviews

Primus Power CEO: Economic advantages of ‘versatile’ flow batteries starting to show

12 Dec 2017, 17:33 • By Andy Colthorpe
Primus Power CEO: Economic advantages of ‘versatile’ flow batteries starting to show

Primus Power is among a handful of makers currently commercialising their flow batteries, with rivals that include RedT, VIZn Energy and Redflow. Early customers have included Microsoft, which installed a Primus battery at its corporate HQ in a pilot project. Andy Colthorpe spoke with Primus Power CEO Tom Stepien to learn more.

Feature
Guest blog

How California demand response has opened up to energy storage, virtual power plants

16 Nov 2017, 16:13 • By Ted Ko
How California demand response has opened up to energy storage, virtual power plants

We often hear about California's leading position in solar and latterly in energy storage. Perhaps lesser known than direct policy support for energy storage and renewable technologies is the way California's network operator (CAISO) is starting to reconfigure how it procures demand response, with a positive impact for energy storage - and particularly behind-the-meter assets, as Ted Ko, policy director of Stem, explains.

Feature
Editor's blog

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

25 Oct 2017, 12:07 • By David Pratt
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.

Feature
Interviews

Navigant on energy storage as ‘non-wires’ alternative for utilities and grid operators

16 Oct 2017, 15:30 • By Andy Colthorpe
Navigant on energy storage as ‘non-wires’ alternative for utilities and grid operators

One of the ‘value of energy storage’ questions that was being asked a lot two or three years ago was around the use of batteries and decentralised system architecture instead of traditional “poles and wires” grid networks. However, advancements in this area have been slow to materialise and Navigant Research’s recent ‘Energy Storage for Transmission and Distribution Deferral’ report sought to fill the knowledge gap. Andy Colthorpe took the opportunity to ask lead author Alex Eller three quick questions around the topic.

Feature
Editor's blog

How Tesla and Vivint are taking different paths to the ‘one stop shop’ destination

10 Oct 2017, 16:35 • By Andy Colthorpe
How Tesla and Vivint are taking different paths to the ‘one stop shop’ destination

What does it mean to be all things to all people? Does it overstretch resources to breaking point, or does it give you a chance to cast a wider net and capture market share? Vivint Solar recently joined Tesla in a race to offer whole packages including solar, storage, EV charging and other components to US customers. We talked to GTM Research's Brett Simon on some of the dynamics of those parallel strategies.

Guest blog
Household energy storage batteries: Myths and realities

Household energy storage batteries: Myths and realities

2 Oct 2017, 11:03
• By Ian Murray

Managing director of UK energy storage manufacturer Powerflow, Ian Murray, addresses some FAQs on what consumers should be asking about batteries before buying them for their houses.

Interviews
How to field questions from billion dollar investors, with Jigar Shah

How to field questions from billion dollar investors, with Jigar Shah

20 Sep 2017, 16:29
• By Andy Colthorpe

Solar entrepreneur and financier Jigar Shah probably requires little introduction. The SunEdison founder and former CEO is now president at Generate Capital, a project financing venture for sustainable infrastructure investment. Shah spoke with Andy Colthorpe about Generate Capital’s latest solar-plus-storage projects for a school district in California, as well as sharing his thoughts on the economics of energy storage today.

Guest blog
Europe’s electric bus market in transformational growth mode

Europe’s electric bus market in transformational growth mode

17 Jul 2017, 12:19
• By Anil Srivastava

In Europe the number of e-buses in circulation is far smaller than in China, which accounts for 98% of the world's fleets. However, the market is entering a period of rapid growth. This comes with significant challenges for batteries, Anil Srivastava of Leclanché writes.