Downloads / solar

Continuity and Disruption in UK Energy System Change: Mapping Expert Differences – and Understanding their Implications

Mike Kattirtz, University of Edinburgh Energy systems globally are undergoing dramatic changes, and many observers anticipate accelerated changes in the years ahead. The changes are being driven by a combination of high-level national and international policy agreements, as well as more bottom-up, insurgent changes in the cost and performance of energy technologies (supply, storage and use) and also changing consumer behaviours and social practices. Less visibly, energy systems also exhibit strong elements of continuity, in terms of the renewal, extension and repurposing of existing technical infrastructures and institutions. This pattern of both disruptive and continuity-based change, which is particularly evident in the UK energy system, is reflected in energy experts’ varied prescriptions for energy system change. As a result, there are multiple working definitions of the energy system change and system integration, with many questions and uncertainties about future pathways such as the extent of system rescaling, the key public and private agents of change and the extent to which consumers and citizens are likely to play a significant role in driving change. In their review of energy scenarios, McDowall Read more…

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Kattirzi-Continuity-and-disruption-in-UK-energy-system-change.pptx 4.33 MBKattiritz-Continuity-and-disruption-in-UK-energy-sytem-change.pdf 973.16 KB
19th
Sep
2018

Unlocking the benefits to end consumers

Nicholas Rubin, ELEXON Ltd ELEXON recognises that how electricity is used is radically changing and that end consumers are being presented with more and more opportunities to actively manage their energy consumption and/or production. We recognise that the energy market (including central industry systems and processes) that facilitates this active participation will need to radically change too. A commitment to decarbonise the economy and developments in disrupting and decentralised technology, services and business models, amongst other things, is driving a great pace of change in the way electricity is produced and consumed. Whilst innovation in technology and service provision unlocks opportunities in the home, it is also unlocking opportunities that are making it a reality for smaller and smaller customers (including domestic customers) and businesses to actively participate at the heart of the electricity system, and provide services to each other and other actors across the system, in existing and new markets. On the one hand, these services might simply be based on the provision of smart meters to allow consumers to better manage their use, smart time of use Read more…

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Rubin-Unlocking-the-benefits-to-consumers-0918-v1.0.pptx 2.16 MBRubin-Unlocking-the-benefits-to-end-consumers1.pdf 319.46 KB
19th
Sep
2018

Here comes the sun: The evolution of a Prosuming Project within a social housing estate

Nicolette Fox, Science Policy Research Unit, University of Sussex Overview This is a case study of how seven families living in social housing started producing and consuming – ‘prosuming’ – solar power and the difference it made to their lives. Solar production can vary depending on weather, seasons and changing daylight hours. Its consumption is also affected by which appliances are used and when. On top of this, households have to negotiate how prosuming fits with domestic routines such as laundering or cooking, as well as with work and family life. As far as I know, this is the first study to examine the evolution of prosuming solar power across four seasons within a disadvantaged community. The research revealed how prosuming evolved dynamically and made a significant difference to many of the families in the study. The mother who stopped worrying about having to pay for school shoes because of the energy savings she was making. Another who, for at least part of the year, no longer had to choose between cooking a Sunday roast and washing her family’s clothes. Read more…

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fox.prosuming.and_.poverty.biee-FINAL-.pdf 192.14 KB
18th
Sep
2018

Spatio-temporal analysis of PV diffusion patterns: an integrated neural networks and agent-based model

Ali Alderete Peralta, Cranfield University Photovoltaic (PV) panels offer significant potentials for contributing to the UK’s energy policy goals relating to decarbonisation of the energy system, security of supply and affordability. The substantive drop in the cost of panels since 2007, coupled with the introduction of the Feed-in Tariff (FiT) Scheme in 2010, has resulted in a rapid increase in installation of PV panels in the UK from 16.1MW in 2010 January to 12.4GW by 2017 December. Yet, spatial and temporal diffusion of PVs show significant differences across the UK. By creating reverse flows on the networks, especially at low voltage distribution networks, domestic PVs present a key challenge for network operators to manage the grid such that there is enough capacity and voltage headroom available to accommodate these flows. That’s why understanding spatio-temporal diffusion of PVs can provide valuable insights to both network operators and policy makers with a view to predict and shape their future deployment. To date, different approaches have been used for analysing PV diffusion process, including (i) spatial regression, (ii) agent-based modelling (ABM) and (iii) Read more…

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AlderetePeralta_SPATIO-TEMPORAL_ANALYSIS_OF_PV_DIFFUSION_PATTERNS.pptx 1.79 MBPeralta-Spatio-temporal-analysis-of-PV-diffusion-patterns.pdf 503.89 KB
18th
Sep
2018

Prosumage of solar electricity: batteries, heating and mobility

Wolf-Peter Schill, DIW Berlin Overview Spurred by technology development and regulatory incentives, self-consumption of distributed renewable electricity generation has gained relevance in many power markets. Building on the concept of “prosumers” (producers and consumers), the term “prosumage” has emerged, which additionally includes decentral energy storage (producers, consumers and storage). We define prosumagers as grid-connected electricity consumers who deploy both PV generators and energy storage installations to produce their own electricity at times, draw electricity from the grid at other times, and feed electricity to the grid at yet other times. In earlier work, we discussed arguments in favor of and against increasing prosumage and presented a quantitative model analysis of prosumage’s system effects, focusing on batteries (Schill et al. 2017). We now explore the effects of additional energy storage and/or conversion options related to electric heating and electric vehicles (cp. Green and Staffell 2017). Compared to battery prosumage, these options trigger different system effects, as they increase both electricity demand and flexibility supply. Methods We use an extended version of the open-source electricity system model DIETER (www.diw.de/dieter, Schill et al. Read more…

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Schill-Prosumage-of-solar-electricity_update.pptx 2.54 MBSchill-Prosumage-of-solar-electricity.pdf 431.87 KB
18th
Sep
2018

Modelling Take-Up of Residential Solar PV in the UK

Sophie Heald, Cambridge Econometrics In February 2016, the solar PV tariff rate in the UK was reduced from 12.47 p/kWh to 4.39 p/kWh. Since that date, growth in small-scale residential solar PV in the UK has slowed dramatically (see Figure 1). In a recent study for the European Commission[1], we develop a new methodology to model prosumers’ investment decisions. We developed baseline projections and a series of scenarios to assess how take-up of residential Solar PV in the UK (and the wider EU) may be affected by future changes in policy and technology. Our method takes account of the fact that households weigh up a multitude of both financial and non-financial factors when deciding whether to invest in solar PV. In relation to these financial and non-financial drivers of investment, there is considerable heterogeneity among households. We derive distributions for the cost-effectiveness and overall attractiveness of investment among households in the UK and use this to develop projections of take-up of solar PV. For each year up to 2030, under specific assumptions about CAPEX and OPEX costs, policy support, future Read more…

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Heald-Modelling-take-up-of-residential-solar-PV-in-th-UK.pptx 1.63 MBHeald-Modelling-take-up-of-residential-solar-PV-in-th-UK.pdf 548.94 KB
18th
Sep
2018

The impact of installer business models on the uptake of residential microgeneration in the UK: Evidence from a nation-wide survey

Mr Richard Hanna, Centre for Environmental Strategy, University of Surrey This paper arises from a doctoral thesis comparing the impact of alternative installer business models on the rate at which microgeneration is taken up in homes and installation standards across the UK. The paper will present the results of the first large-scale academic survey of businesses certified to install residential microgeneration. The aim is to systematically capture those characteristics which define the business model of each surveyed company, and relate these to the number, location and type of technologies that they install, and the quality of these installations. The methodology comprised a pilot web survey of 235 certified installer businesses, which was carried out in June last year and achieved a response rate of 30%. Following optimisation of the design, the main web survey was emailed to over 2000 businesses between October and December 2011, with 317 valid responses received. The survey will be complemented during summer 2012 by semi-structured interviews with a representative sample of installers who completed the main survey. The survey results are currently being analysed. The Read more…

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The-role-of-installation-businesses-in-the-uptake-of-residential-microgeneration.pdf 741.42 KBHannaTheimpactofinstallerbusinessmodels.pdf 324.94 KB
20th
Sep
2012

Effectiveness of Feed-In Tariff Schemes for Solar PV: The Miracle Case of Italy

Mr Piergiorgio Chelucci, KEMA In the past two years PV technology has achieved an incredible expansion in the Italian electricity sector, with an astonishing 9GWp installed only in the past 12 months. Even more astonishing is that fact that according to GSE, the state owned company that promotes and supports renewables in Italy, PV installed capacity is projected to reach 15 GW by the end of 2012, a year-to-year increase of 20%. This success story started in 2005 with the introduction of the renewable incentive mechanism ‘Conto Energia’ (the feed-in premium scheme which provides a bonus to be paid on top of the market electricity price to the Photovoltaic generation), that was the main driver of this massive deployment of PV and the miraculous take-up of this support scheme (along with others like the all-inclusive feed-in tariff “tariffa omnicomprensiva”). Italy’s formidable case, in terms of the effectiveness of the available support schemes and responsiveness of the sector, is increasingly attracting the interest of policymakers and stakeholders in much of Europe and the rest of the world. The aim of this Read more…

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20th
Sep
2012

Accelerating the development of emerging renewable energy technologies: research and policy challenges

Dr Mark Winskel, Instiute for Energy Systems, University of Edinburgh Emerging renewable energy technologies promise to open up more diverse and more affordable paths for deeply decarbonising energy systems over time. In practice, realising this potential – ‘delivering’ technology acceleration – requires a thorough understanding of the technical, economic, institutional and environmental properties of different technology systems, their interaction with the wider energy system over time, and explicit and robust treatment of the many uncertainties involved. This paper systematically compares the research, policy and management challenges involved in accelerating the development of two emerging renewables now attracting significant levels interest in the UK and internationally – solar PV and marine energy. Firstly, the paper describes and compares the status of solar PV and marine technology systems, in terms of stages of development, current and emerging UK policy support for research, development, demonstration and deployment (RDD&D), the leading public and private sector organisations involved, and the relative standing of the UK research and developer communities in the international context. Secondly, the paper considers potential for cost reduction and performance improvement, in Read more…

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Accelerating the development of emerging renewable energy technologies - Presentation.pdf 524.93 KB
22nd
Sep
2010

China’s Role in Advancing Climate Policies in the Face of a Global Recession

Antony Froggatt , Chatham House. China plays a key role in the interactions between global energy prices, CO2 emissions and global economic output. In terms of existing policies, energy security concern is the main driver, although this can also bring environmental benefits, they include plans to: decrease energy intensity by 20% in the current five year plan; increase the deployment of renewables; plans for new nuclear generation. The next Chinese five year plan may introduce carbon intensity targets for the first time. The impact of, and response to, the economic crisis are also discussed, with a massive decrease in exports being evident, with policy seeking to encourage domestic consumption and use stimulus packages for significant infrastructure; alongside national technology developments in respect to renewables, vehicles and coal. In terms of China’s role in advancing climate policies a number of questions remain, including: the relationship between energy demand and manufacturing; how the global economic recovery may stimulate the Chinese economy, energy demand and emissions; and how these will impact upon global energy, emissions curves, and trade balances.

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Chinas role in Advancing climate policies in recession 2009.pdf 651.11 KB
21st
Sep
2009

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