Stationary Battery Energy Storage Systems Analysis

Ara Ake (New Zealand) prepared the attached report to provide a technical and commercial comparison of various battery energy storage system (BESS) chemistries which are currently available on the market suitable for intraday shifting.

When such a BESS is combined with an intermittent renewable energy system with no inherent storage (wind, solar, run-of-the-river hydro), throughout the day, the resulting hybrid system can divert any excess energy produced at times of low demand to storage. The BESS can subsequently supply the grid at times of high demand, whilst also minimising the use of fossil fuels when attempting to match peak demand and overcome network constraints.

Download the report


Long-Duration Energy Storage Council formed at COP26

The council targets global net-zero carbon emissions in the power sector by 2040.

The Long-Duration Energy Storage (LDES) Council was launched at the COP26 summit. The council said it plans to guide governments and grid operators on how LDES technologies will support decarbonization of the grid as the lowest-cost option to society.

The LDES Council comprises 24 tech companies, users, and investors.  Long-duration iron flow battery maker ESS Tech, Inc. CEO Eric Dressselhuys entered the council as a founding member.

Read more at PV Magazine

VedantaESS profiled in leading Brazilian business magazine Valor Econômico

VedantaESS, Ltda., our exciting new Brazilian company, has received its first press coverage in the esteemed Valor Econômico.

Our new company is starting to work with many forward-looking private and public companies in Brazil that are working to solve electricity storage  issues using ESS, Inc.’s environmentally safe and long-life all-iron flow batteries.

Read the full article (in Portuguese):

Americana ESS traz novas baterias ao Brasil

Brazilian energy delegation visits microgrid in Sonoma, California

Brazilian energy delegation at Stone Edge Farm microgrid

A Brazilian energy delegation, hosted by U.S. Commercial Service, visiting the Stone Edge Farm microgrid in Sonoma, CA, USA. The microgrid is capable of being 100% self-sufficient with PV, several energy storage systems, CHP, and hydrogen generation. The ESS All-Iron Flow Battery system is one of the featured energy storage systems that shifts PV energy to nighttime loads.

Fire in Belgium raises questions about safety and costs of Li-Ion systems

A November 2017 fire at Belgium’s first grid-connected lithium ion battery energy storage park raises important questions about the safety and costs of Li-Ion systems for high voltage grid ancillary systems.

Stability and thermal runaway remain a concern for Li-Ion batteries, currently in mass production for many applications ranging from energy storage, to mobility and consumer electronics.  

Continue reading “Fire in Belgium raises questions about safety and costs of Li-Ion systems”

Taking Charge: Which emerging battery technology will be the future of stationary energy storage?

Energy Storage World Forum

As an increasingly high proportion of energy grids are fed by renewable energy, developing storage solutions that can deal with intermittency in sustainably, safely and cost-effectively is key.

Lithium-ion batteries are still the frontrunner technology for large-scale energy storage, and their benefits are clear — high energy densities, relatively low maintenance and a rapidly dropping cost per kWh. But their drawbacks of limited lifespans, explosive failure modes and potentially precarious chains of component supply are equally well publicized.

What battery technologies and chemistries are making waves for stationary storage applications?

Continue reading “Taking Charge: Which emerging battery technology will be the future of stationary energy storage?”

New business model for the electricity industry debated at FIESP

São Paulo 19 July 2017. DEINFRA – Energy Workshop – New business models for the electricity industry. Richard Phillips (VedantaESS), Ananda Valei Christensen (CPFL Eficiencia), Amilcar Gonçalves Guerreiro (EPE), moderator José Sidnei Martini, Rodrigo D’elia (AES Tietê) and Nivalde de Castro (Prof. UFRJ). Photo: Helcio Nagamine

Technology tends to promote changes in the generation, distribution and consumption of energy

Roseli Lopes, Indusnet FIESP Agency

Despite the modernization achieved by the electricity sector in recent years, the advance of technology for so-called smart grids will increasingly require the adoption of new business models. The theme was discussed this Wednesday (July 19, 2017) during the workshop New business models for the electricity industry, conducted by FIESP (Federation of industries of São Paulo state).

Richard Phillips, president of VedantaESS Ltda., defended the use of batteries for energy storage as a long-term, safe and low-cost storage option. He highlighted the advantage that Brazil has in the environmental field, but stressed the country’s challenge in regulating the sector, which involves the problem of infrastructure. He stressed that “increasing renewable energy is among the great challenges to overcome in the sector, in addition to increasing [energy] generation.”