ORCID Profile
0000-0001-9720-332X
Current Organisation
Imperial College London
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Publisher: Springer Science and Business Media LLC
Date: 24-10-2022
Publisher: MDPI AG
Date: 29-04-2018
DOI: 10.3390/EN11051095
Publisher: Elsevier BV
Date: 02-2015
Publisher: Elsevier BV
Date: 02-2020
Publisher: Research Square Platform LLC
Date: 06-12-2022
DOI: 10.21203/RS.3.RS-2319580/V1
Abstract: The COP26 Glasgow process resulted in many countries strengthening their 2030 emissions reduction targets and announcing net-zero pledges for 2050–2070. We use four erse integrated assessment models (IAMs) to assess CO 2 emission trajectories in the near- and long-term based on national policies and pledges, combined with a non-CO 2 infilling model and a simple climate model to assess the temperature implications of such trajectories. Critically, we also consider the feasibility of national long-term pledges towards net-zero, to understand where the challenges to achieving them could lie. Whilst near-term pledges alone lead to warming above 2°C, the addition of long-term pledges leads to emissions trajectories compatible with a well-below 2°C future, across all four IAMs. However, whilst IAM heterogeneity translates to erse decarbonisation pathways towards long-term targets, all modelled pathways indicate several feasibility concerns, relating to the cost of mitigation, as well as to rates and scales of deployed technologies and measures.
Publisher: Elsevier BV
Date: 06-2006
Publisher: American Chemical Society (ACS)
Date: 25-10-2017
Publisher: Royal Society of Chemistry (RSC)
Date: 2022
DOI: 10.1039/D1EA00046B
Abstract: Satellites could revolutionise the way global oil and gas methane is reported. There are many barriers to overcome before satellites can play an active role in methane emissions reporting.
Publisher: IEEE
Date: 07-2010
Publisher: Elsevier BV
Date: 11-2019
Publisher: Elsevier BV
Date: 12-2017
Publisher: Springer Science and Business Media LLC
Date: 22-11-2021
Publisher: MDPI AG
Date: 21-11-2017
DOI: 10.3390/EN10111915
Publisher: Thomas Telford Ltd.
Date: 02-2009
DOI: 10.1680/ENER.2009.162.1.23
Abstract: A critical review of the literature relating to government policy and behavioural aspects relevant to the uptake and application of microgeneration in the UK is presented. Given the current policy context aspiring to zero-carbon new homes by 2016 and a variety of minimum standards and financial policy instruments supporting microgeneration in existing dwellings, it appears that this class of technologies could make a significant contribution to UK energy supply and low-carbon buildings in the future. Indeed, achievement of a reduction in greenhouse gas emissions by 80% (the UK government’s 2050 target) for the residential sector may entail substantial deployment of microgeneration. Realisation of the large potential market for microgeneration relies on a variety of interrelated factors such as microeconomics, behavioural aspects, the structure of supporting policy instruments and well-informed technology development. This paper explores these issues in terms of current and proposed policy instruments in the UK. Behavioural aspects associated with both initial uptake of the technology and after purchase are also considered.
Publisher: Elsevier BV
Date: 11-2022
Publisher: Elsevier BV
Date: 08-2015
Publisher: Springer Science and Business Media LLC
Date: 23-08-2023
DOI: 10.1038/S41467-023-40673-4
Abstract: Understanding how 1.5 °C pathways could adjust in light of new adverse information, such as a reduced 1.5 °C carbon budget, or slower-than-expected low-carbon technology deployment, is critical for planning resilient pathways. We use an integrated assessment model to explore potential pathway adjustments starting in 2025 and 2030, following the arrival of new information. The 1.5 °C target remains achievable in the model, in light of some adverse information, provided a broad portfolio of technologies and measures is still available. If multiple pieces of adverse information arrive simultaneously, average annual emissions reductions near 3 GtCO 2 /yr for the first five years following the pathway adjustment, compared to 2 GtCO 2 /yr in 2020 when the Covid-19 pandemic began. Moreover, in these scenarios of multiple simultaneous adverse information, by 2050 mitigation costs are 4-5 times as high as a no adverse information scenario, highlighting the criticality of developing a wide range of mitigation options, including energy demand reduction options.
Publisher: Elsevier BV
Date: 09-2005
Publisher: MDPI AG
Date: 13-01-2017
DOI: 10.3390/EN10010089
Publisher: Elsevier BV
Date: 08-2008
Publisher: Elsevier BV
Date: 09-2019
Publisher: Elsevier BV
Date: 03-2022
Publisher: Elsevier BV
Date: 09-2017
Publisher: Springer Science and Business Media LLC
Date: 24-10-2022
Publisher: Elsevier BV
Date: 2023
Publisher: Elsevier BV
Date: 2018
Publisher: Elsevier BV
Date: 05-2007
Publisher: MDPI AG
Date: 27-01-2017
DOI: 10.3390/EN10020158
Publisher: SAGE Publications
Date: 03-2011
Abstract: Micro-cogeneration, otherwise known as micro-combined heat and power (micro-CHP), is an emerging class of technologies designed to replace conventional home space heating and hot water systems. In addition to meeting thermal needs, they also provide electricity for on-site consumption or sale. The prime mover in a micro-CHP system can be based on a number of technologies: Stirling engine, internal combustion engine, Rankine cycle, or fuel cells. This article is concerned with the technology, techno-economics, and environmental credentials of the fuel cell-based systems, notably polymer electrolyte fuel cells and solid oxide fuel cells. It is demonstrated that these systems have a distinct advantage over their engine-based counterparts in that they have a low heat-to-power ratio, allowing them to operate more consistently over the year and thus achieve higher utilization. It is also shown that they could form an important part of a future portfolio of low carbon heating technologies. The challenge now lies with fuel cell developers and integrators to demonstrate their durability and to reduce capital costs.
Publisher: Springer Science and Business Media LLC
Date: 10-07-2017
Publisher: Elsevier BV
Date: 12-2019
Publisher: Elsevier BV
Date: 04-2008
Publisher: Elsevier BV
Date: 05-2014
Publisher: Thomas Telford Ltd.
Date: 11-2010
DOI: 10.1680/ENER.2010.163.4.143
Abstract: This paper reviews the current status of microgeneration technologies at the domestic scale. Overviews are given for nine such technologies, grouped into three sections: (a) low carbon heating: condensing boilers, biomass boilers and room heaters, air source and ground source heat pumps (b) renewables: solar photovoltaic panels, flat plate and evacuated tube solar thermal panels and micro-wind and (c) combined heat and power: Stirling engines, internal combustion engines and fuel cells. Reviews of the construction, operation and performance are given for the leading commercial products of each technology. Wherever possible, data are presented from the field, giving the actual prices paid by customers, efficiencies and energy yields experienced in real-world use, reliability and durability, and the problems faced by users. This information has a UK focus but is generally relevant in the international context. Two issues are found to be prevalent throughout the microgeneration industry. Total installed costs are a premium and vary substantially between technologies, between specific products (e.g. different models of solar panel), and between in idual installations. Performance in the field is found in many cases to differ widely from manufacturers’ quotes and laboratory studies, often owing to installation and operational problems. Despite this, microgeneration has demonstrated substantial improvements over conventional generation in terms of fossil fuel consumption, carbon dioxide emissions and energy cost, provided that the appropriate technologies are employed, being installed and operated correctly according to the load requirements of the house and their physical location.
Publisher: Elsevier BV
Date: 2018
Publisher: Elsevier BV
Date: 10-2014
Publisher: Royal Society of Chemistry (RSC)
Date: 2019
DOI: 10.1039/C8EE02079E
Abstract: The levelized cost of carbon mitigation and proportional decarbonisation fraction ranges of hydrogen production technologies relative to steam methane reforming.
Publisher: Elsevier BV
Date: 11-2019
Publisher: IOP Publishing
Date: 06-2021
Abstract: Carbon dioxide removal (CDR) features heavily in low-carbon scenarios, where it often substitutes for emission reductions in both the near-term and long-term, enabling temperature targets to be met at lower cost. There are major concerns around the scale of CDR deployment in many low-carbon scenarios, and the risk that anticipated future CDR could dilute incentives to reduce emissions now, a phenomenon known as mitigation deterrence. Here we conduct an in-depth analysis into the relationship between emissions reduction and emissions removal in a global integrated assessment model. We explore the impact of CDR on low-carbon scenarios, illustrating how the pathway for the 2020s is highly sensitive to assumptions around CDR availability. Using stochastic optimisation, we demonstrate that accounting for uncertainty in future CDR deployment provides a strong rationale to increase rates of mitigation in the 2020s. A 20% chance of CDR deployment failure requires additional emissions reduction in 2030 of 3–17 GtCO 2 . Finally, we introduce new scenarios which demonstrate the risks of mitigation deterrence and the benefits of formally separating CDR and emissions reduction as climate strategies. Continual mitigation deterrence across the time-horizon leads to the temperature goals being breached by 0.2–0.3 °C. If CDR is treated as additional to emissions reduction, up to an additional 700–800 GtCO 2 can be removed from the atmosphere by 2100, reducing end-of-century warming by up to 0.5 °C. This could put sub-1.5 °C targets within reach but requires that CDR is additional to, rather than replaces, emission reductions.
Publisher: Elsevier BV
Date: 09-2017
Publisher: Springer Science and Business Media LLC
Date: 18-05-2023
Publisher: IEEE
Date: 07-2010
Publisher: Elsevier BV
Date: 2007
Publisher: MDPI AG
Date: 18-01-2017
DOI: 10.3390/EN10010116
Publisher: Royal Society of Chemistry (RSC)
Date: 2009
DOI: 10.1039/B902222H
Publisher: Elsevier BV
Date: 02-2019
Publisher: Wiley
Date: 13-07-2012
DOI: 10.1002/WENE.39
Publisher: Elsevier BV
Date: 12-2023
Publisher: Elsevier BV
Date: 07-2017
Publisher: Elsevier BV
Date: 10-2010
Publisher: Elsevier BV
Date: 07-2005
Publisher: Elsevier BV
Date: 05-2018
Publisher: Elsevier BV
Date: 07-2018
Publisher: Elsevier
Date: 2016
Publisher: Elsevier BV
Date: 09-0002
Publisher: Elsevier BV
Date: 07-2014
Publisher: Elsevier BV
Date: 02-2021
Publisher: Elsevier BV
Date: 12-2009
Publisher: Elsevier BV
Date: 12-2009
Publisher: Elsevier
Date: 2011
Publisher: Royal Society of Chemistry (RSC)
Date: 2012
DOI: 10.1039/C2EE22653G
Publisher: Elsevier BV
Date: 12-2019
Publisher: Elsevier BV
Date: 07-2017
Publisher: Research Square Platform LLC
Date: 12-03-2021
DOI: 10.21203/RS.3.RS-320312/V1
Abstract: India has seen rapid increases in GDP, energy access, and population in recent decades, more than doubling its overall energy consumption since 2000. Meanwhile, India produces approximately 70% of its electricity from coal. With electricity demand only projected to grow in the coming years, the Government of India has pledged to install 450 GW of renewable energy by 2030. The Gulf Cooperation Council (GCC) countries[1], meanwhile, have comparatively small populations with excellent renewable energy resources, particularly solar. The ability to trade power between these two regions could potentially provide India with a highly reliable carbon-free power source. At the same time, it can motivate the shift to low carbon economy in the GCC and add a new market for its solar power. The provided data in this article relate to the current makeup of the energy systems of both regions, renewable resource potentials, and projections of future demand. The data have been compiled from numerous sources, mainly government and international agencies. [1] GCC countries are Bahrain, Kuwait, Oman, Qatar, Saudi Arabia, and the United Arab Emirates
Publisher: Elsevier BV
Date: 07-2009
Publisher: Elsevier BV
Date: 03-2013
Publisher: MDPI AG
Date: 05-2017
DOI: 10.3390/EN10050602
Publisher: Elsevier BV
Date: 02-2020
Publisher: Elsevier BV
Date: 11-2018
Publisher: Elsevier BV
Date: 03-2023
Publisher: Springer Science and Business Media LLC
Date: 12-10-2023
Publisher: Royal Society of Chemistry (RSC)
Date: 2018
DOI: 10.1039/C8EM00414E
Abstract: We compare and make recommendations for the use of different climate metrics and time horizons with respect to methane emissions, applying to a case study of LNG as a shipping fuel.
Publisher: Elsevier
Date: 2011
Publisher: Elsevier BV
Date: 07-2018
Publisher: Elsevier BV
Date: 04-2019
Location: United Kingdom of Great Britain and Northern Ireland
Start Date: 2013
End Date: 2016
Funder: Engineering and Physical Sciences Research Council
View Funded ActivityStart Date: 2015
End Date: 2018
Funder: Engineering and Physical Sciences Research Council
View Funded ActivityStart Date: 2016
End Date: 2019
Funder: Natural Environment Research Council
View Funded ActivityStart Date: 2016
End Date: 2019
Funder: Engineering and Physical Sciences Research Council
View Funded Activity