Energy

This POSTnote reviews the main types of low-carbon aviation fuels and their potential for use, as well as associated challenges and opportunities. It supplements POSTnote 615: Climate Change and Aviation.

Aviation has a growing impact on climate change, as demand for air travel increases globally. This POSTnote examines options for mitigating greenhouse gas (GHG) emissions from aviation, including new technologies, demand reduction and emissions offsetting. It also outlines UK and global policy frameworks for implementing measures to do so. 

This document builds on POST's previous publication, Topics of Interest 2018 (POSTbrief 27). The subjects are listed under under six category headings based on the drivers of change identified in POSTnote 500: demographic change and healthcare; social and cultural trends; geopolitical and governance challenges; environmental pressures and climate change; resource security and sustainability; and technological advance.

UK power generation from wind has increased in recent years due to sharp reductions in the costs of constructing and operating wind power facilities. Onshore wind power provides the cheapest electricity of any form of new generation built, and offshore is expected to continue to reduce in cost. Generating wind power does not emit greenhouse gases, hence future growth will help the UK meet its GHG emissions reduction targets. This POSTnote examines the innovations that have enabled wind power cost reductions, associated policy considerations and challenges for future deployment.

Under the Paris Agreement, almost all governments worldwide have agreed to collectively limit global warming to 'well below' 2°C above pre-industrial temperatures, and to 'pursue efforts' to limit this warming to 1.5°C. However, there has been 1°C of warming to date, and current international pledges could result in 3°C or more. A 2018 UN Special Report examined how peak global warming could be limited to 1.5°C above pre-industrial temperatures, and the implications of doing so. This POSTnote outlines key messages from the UN Special Report, and UK responses to preventing and adapting to climate change.

Carbon capture and usage (CCU) is a basket of technologies that have collectively gained attention in recent years from industry and policymakers as a potential approach to climate change mitigation.

The electricity system of Great Britain is becoming increasingly decentralised, with more complex patterns of power production, transportation and consumption. New types of ‘flexibility’ are being developed to facilitate and manage these changes. This POSTnote reviews ways of developing flexibility, as well as technical and economic barriers to doing so.

Distributed ledger technology (DLT) is a type of digital records system that allows multiple identical copies of a ledger to be stored on different computers on a network and updated by multiple different users. This POSTbrief provides a technical overview of the different types of DLT and how they work. It discusses some of the main applications of DLT and highlights the benefits and challenges of the technology.

There is growing UK and international interest in using ‘small modular nuclear reactors’ (SMRs) to generate electricity, and the UK Government announced a number of measures to support SMR development in the 2018 Nuclear Sector Deal. Stakeholders suggest that, compared with conventional nuclear reactors, SMRs could offer cost savings to operators and consumers, more flexible energy production and a greater choice of potential sites. This note examines key aspects of SMR technology, their economics and regulation.

Electricity markets in the UK, Ireland and continental Europe are physically linked by ‘interconnector’ cables. These benefit energy system operators and consumers by reducing prices. They can also help integrate renewable electricity and ensure security of supply. This note discusses these benefits, proposals for future increases in interconnection and the potential effects of Brexit.

This list sets out the topic areas identified of possible parliamentary interest under the 9 different category headings (Agriculture, Fisheries, Food and Forestry, Crime, Defence, Education and Skills, Energy, Environment, Health, ICT and Robotics and Transport and Infrastructure).

The burning of natural gas for heating contributes 14% of the UK’s greenhouse gas (GHG) emissions. Decarbonising, or reducing the carbon content of the UK gas supply is one option for reducing the emissions from heating. This POSTnote looks at the contribution that two alternative gases, hydrogen and biomethane, could make in achieving this goal.