Energy networks and storage

Energy storage deployment reached a record yearly high of over 8GWh in 2018, nearly doubling from 2017

Energy storage allows for flexibility in the timing of when energy is supplied and when it is used. Energy storage comes in a number of forms, including chemical, kinetic, thermal, gravitational potential, electromagnetic, electrochemical and osmotic potential. The choice of storage solution depends on location as well as reserve service required, since different technologies can provide different capacities and durations of storage. Storage of solid, liquid and gaseous fuels has been commonplace for centuries; as the low carbon transition requires integration of increasing intermittent renewable sources into the system, energy storage is becoming integral for reducing dependency on fossil fuels and achieving a flexible, resilient energy network. Strategic placement of storage also gives the potential to avoid otherwise necessary network upgrades and curtailment of expensive assets. Greater connectivity between different energy networks, i.e. interconnection across national grids, can allow for security of supply without needing additional generation capacity.

Energy storage has applications varying from small-scale local systems in homes or commercial buildings – which are becoming increasingly common alongside the rise of distributed generation – to utility-scale storage systems. Common examples of energy storage include batteries (mainly lithium-ion) which store electricity as chemical energy, pumped hydroelectric storage systems which store gravitational potential energy in elevated reservoirs, and ice storage tanks which store thermal energy by freezing water with cheaper energy at night to meet peak cooling demand in daytime. Surplus renewable electricity can also be used to produce energy carriers like hydrogen, enabling the storage of renewable energy for long periods. Electric vehicles can also function as storage systems, since electricity can be transferred both to and from the batteries of plugged-in vehicles when needed. With energy storage expected to play a greater role towards a low-carbon and sustainable energy future, various storage technologies must be evaluated to balance the trade-offs between life-cycle cost, efficiency, material sustainability and safety.

Read our Energy World articles on how energy storage fits into strategies for carbon reduction.

Learn more about storage by reading our Energy Insights.

Learn about recent public funding for research and development of energy storage on our policy milestone website.

What's new?

Predicting well-stimulation results in a gas-storage field in the absence of reservoir data with neural networks. S. Mohaghegh et al. SPE Reservoir Engng., November 1996, 11(4), 268--272.

Methodology is presented that is capable of forecasting the post fracture deliverability on the basis of historical data in Clinton sandstone gas-storage field without detailed reservoir data. Post fracture well deliverability was predicted with approximately 95% accuracy. The neural network develop...

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Electricity Storage Network Consultation Document 2014

This report demonstrates the need for electricity storage in the UK and how it can form a valuable part of our national electrical infrastructure. The intention is to select a specific recommendation, from the four proposals outlined in this document, that could be given to DECC, DETI and regulatory...

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Events and training

Hazardous Area Classification - October 2021

11-10-2021
This 3-day training course will provide delegates with training on the Energy Institute Model Safe Code of Practice 15, Area Classification for Installations Handing Flammable Fluids. This internationally recognised publication provides methodologies for carrying out Hazardous Area Classification st...

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Energy Storage Fundamentals for Energy Security - October 2021

21-10-2021
<p> This 2-day virtual blended training course will allow you to gain a comprehensive understanding of energy security awareness and learn how to achieve energy security at national and power generator levels. It provides knowledge of energy storage systems as we transition to low carbon ...

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Oil and Gas Industry Fundamentals 4-day training - November 2021

2-11-2021
This 4-day course is a leading course presented by an industry expert and practitioner. Delegates will cover the key sectors of the oil and gas industry from exploration through to fuel retailing. They will learn about the industry value chain covering conventional and unconventional resources, dril...

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EI LIVE | Reservoir Microbiology Forum (RMF) 2021

10-11-2021
The RMF is an excellent multi-disciplinary platform that brings together oil producers, scientists, technologists, engineers, academics and researchers from around the world to present, share and discuss the widespread and versatile effects of microbes in oil reservoirs. Registration closes at 17:00...

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Aviation Jet Fuel - November 2021

17-11-2021
This 3-day training course will provide delegates with an overview of aviation jet fuel, focusing on the jet engine, its underlying principles and fuel requirements as well as the critical characteristics of jet fuel, including additives, Industry best practice adopted in the supply, handling and us...

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Technical guidance publications

Failure mode and effects analysis tool for above-ground storage tanks storing petroleum, petroleum products or other fuels – Part 2: Effects analysis for secondary containment

2021
This technical publication is a user guide to accompany the workbook for the Failure mode and effects analysis tool for above-ground storage tanks storing petroleum, petroleum products or other fuels - Part 2: Effects analysis for secondary containment (a.k.a. Part 2).This user guide and the associa...

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Failure mode and effects analysis tool for above-ground storage tanks storing petroleum, petroleum products or other fuels - Part 1: Failure mode analysis for primary containment

2021
This technical publication is a user guide to accompany the workbook for the Failure mode and effects analysis tool for above-ground storage tanks storing petroleum, petroleum products or other fuels – Part 1: Failure mode analysis for primary containment (a.k.a. Part 1).The workbook assesses ...

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Model Code of Safe Practice Part 9: Liquefied petroleum gas - large bulk storage

2021
This technical publication provides good practice guidance on the layout, design, operation and integrity management for bulk LPG storage installations storing volumes of LPG that are typically subject to Seveso III Directive, like those encountered at fixed installations atmanufacturing facilities ...

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HM 79. Shore tank handbook. Tank design and ancilliary equipment relating to measurement and sampling of hydrocarbon liquids in shore tanks

2021
This document identifies the standards and considers alternative designs and equipment used in onshore storage tanks for petroleum liquids, specifically concerning satisfying measurement and sampling requirements. Other issues such as foundation stability, mechanical design, coating and corrosion pr...

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EI 1545 Recommended practice for the defuelling of aircraft

2021
EI 1545 provides guidance on the requirements, risks and precautions necessary to conduct the defuelling of an aircraft into a vehicle tank (with a focus on the use of either a refuelling vehicle with the necessary equipment controls or a purpose-built vehicle for defuelling) or, in certain cases, a...

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