Optimising Grid Connection Utilisation through Device Design
Cai Williams a, Hannes Michaels b, Andrew Crossland c, Natasha Shirshova a, Roderick MacKenzie a, Hongjian Sun a, Jeff Kettle d, Marina Freitag b, Christopher Groves a
a Department of Engineering, Durham University, Lower Mount Joy, South Road, United Kingdom
b Department of Chemistry, Newcastle University, Bedson Building
c Durham Energy Institute, Durham University, Lower Mount Joy
d James Watt School of Engineering, University of Glasgow
International Conference on Hybrid and Organic Photovoltaics
Proceedings of International Conference on Hybrid and Organic Photovoltaics (HOPV23)
London, United Kingdom, 2023 June 12th - 14th
Organizers: Tracey Clarke, James Durrant and Trystan Watson
Poster, Cai Williams, 052
Publication date: 30th March 2023

Achieving Net Zero requires a great shift in the energy generation technologies we use towards clean renewable energy generation. In order to meet our energy demands, studies anticipate photovoltaics generation globally to increase from 3% to over 20%. In temperate climates such as the United Kingdom, photovoltaic generation is poorly aligned to energy demand, resulting in the expectation that storage assets and demand side management will be required in these climates [1],[2]. Creating an additional expense associated with the development of solar farm projects, whose revenue is expected to reduce as photovoltaics penetration increases [3],[4],[5].

Much of this is driven by the significant variability of photovoltaic generation intrinsic to the devices. Therefore, may the variability of photovoltaics generation be minimised through the design of devices themselves.

Through the use of a plant dispatch model [6] we demonstrate the introduction of a Dye-Sensitised Solar Cells from literature [7] with increasing efficiencies with reducing irradiance to the grid. From this we demonstrate control over this behaviour through a series of devices, and examine their performance and balance between enhancment of efficiency and their efficiency under standard testing conditions.

We show that these devices through reduced variability of generation better utilise their grid connection, achieving capacity factors 60% greater that achieved by conventional photovoltaics. Additionally, these device are shown to be more effective at displacing high carbon generation by gas and coal reducing carbon emissions by an additional 12.9Mt compared to conventional technologies when doubling the UKs photovoltaic capacity.

We gratefully acknowledge funding from the EPSRC Centre for Doctoral Training in Renewable Energy Northeast Universities (EP/S023836/1), and the North East Centre for Energy Materials (EP/R021503/1).

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