Project

PV_Live

Goal: Provide visibility of nationally and regionally aggregated GB PV generation to National Grid (TSO) and other stakeholders. Funded by the Network Innovation Allowance, see:
https://www.solar.sheffield.ac.uk/pvlive/
http://www2.nationalgrid.com/UK/Our-company/Innovation/Projects/NGET-Solar-PV/
http://www.smarternetworks.org/Project.aspx?ProjectID=1781

Methods: Statistics, Solar Energy, Electrical Grids, Photovoltaics

Date: 1 July 2015 - 30 June 2017

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Project log

Aldous Everard
added a research item
In June 2015, the UK fleet of solar photovoltaic (PV) systems reached 7.8 GWp of capacity, but there are wide gaps in our understanding of the performance of these systems, which has lead to the conservative limit of 10 GWp being imposed on UK PV capacity by the Department of Energy and Climate Change. Here we present the results of a statistical analysis of real world UK PV systems which donate data to the Microgen Database, of which there are over 7000. The mean yearly-integrated Performance Ratio (PR) of domestic scale UK PV is 83% with a standard deviation of 7%. By considering yearly-integrated PR, we have shown that 4.1 % of systems suffered long-term underperformance relative to their nominal efficiencies during 2013. The mean degradation rate for crystalline Silicon-based PV systems in the UK is-0.8 ± 0.1% per year. The state-of-the-art of UK PV, in terms of technology, manufacturing, and installation-standards, is found to have increased by 1% per year between 2002 and 2013.
Jamie Taylor
added an update
Here's a pre-print of the submitted paper describing the methodology behind Sheffield Solar's PV_Live service (https://www.solar.sheffield.ac.uk/pvlive/). We submitted to IEEE Transactions on Sustainable Energy (http://ieeexplore.ieee.org/xpl/RecentIssue.jsp?punumber=5165391) in the end following feedback from IEEE editor.
 
Jamie Taylor
added an update
Here's a pre-print copy of a paper we're working on that's in preparation for submission to the IEEE journal ‘Transactions on Power Systems’. The paper details the work we've done in the first year or so of the PV_Live project, including details of the methodology. There are still some bits to add, so if you have any feedback please don't hesitate to comment on RG or email jamie.taylor@sheffield.ac.uk.
 
Jamie Taylor
added an update
Here's a presentation we gave recently at the LCNI conference in Manchester.
A pre-print of the academic paper detailing this first year work will follow soon...
 
Jamie Taylor
added a project goal
Provide visibility of nationally and regionally aggregated GB PV generation to National Grid (TSO) and other stakeholders. Funded by the Network Innovation Allowance, see: