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:

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.

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.

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.

Earlier this week the UK government and energy regulator Ofgem published a strategy for a modernised, smart and flexible power system, the result of an eagerly anticipated response to last year’s Smart Power Call for Evidence. Liam Stoker takes a deep dive to examine the implications for solar and energy storage of this major undertaking.

The second and final instalment in Energy-Storage.News’ blog on the Aliso Canyon energy storage procurement takes a look at some of the most impressive projects in the deployment, as well as what this all means for the future of the industry.

In the first of a two-part blog series on the energy storage response to the infamous Aliso Canyon gas leak in California, Energy-Storage.News sets the scene of how the California Energy Commission and chosen system suppliers got their heads around solving a mammoth power shortage with many, many batteries, in a race against time.

While Brexit – the impending departure of the UK from the European Union – looms, bringing uncertainty into the country’s economy and international relationships, the role energy storage will play in a decentralised, low(er) carbon and more flexible energy system at least seems a little more assured than it did before.

Every year sees energy storage build on the success of the preceding one, it seems, and this year we were able to carry insights and opinions from some of the best placed participants and observers. Here’s our picks for the content most representative of the year it’s been, as well as the 10 most read news stories on the site.

As the long-awaited call for evidence (CfE) on the future of the UK’s smart power policy gets ever closer, David Pratt outlines the five key areas the UK government is seeking to address in the upcoming document.