Daniel Coles

Energy storage from a wind, tidal, and wave farm via hydrogen

Jessica Guichard, Robert Rawlinson-Smith, Daniel Coles, Deborah Greaves

As renewable energy penetration increases, energy storage becomes essential. Hydrogen offers a viable option for seasonal storage, with reversible solid oxide cells enabling both hydrogen production via electrolysis and electricity generation from stored hydrogen in fuel cell mode. We investigate a cost-optimized, …

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Author response for "A review of global tidal stream energy resources"

Daniel Coles, Thomas A. A. Adcock, Andrew Cornett, Kevin Haas et autres

Comparison of floating offshore wind and tidal range for green hydrogen production and storage for industrial decarbonization

D.N. Pegler, Robert Rawlinson‐Smith, Simone Michele, Daniel Coles et autres

UK Government targets 5 GW of electrolysers by 2030, however the role of green hydrogen for decarbonisation is not explicit. The government identifies the need to research the “archetypes” of production, transport, storage, and use. This paper presents a techno-economic model, comparing …

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Author response for "A review of global tidal stream energy resources"

Daniel Coles, Thomas A. A. Adcock, Andrew Cornett, Kevin Haas et autres

Quantifying the System Benefits of Ocean Energy in the Context of Variability: A UK Example

Donald R. Noble, Shona Pennock, Daniel Coles, Timur Delahaye et autres

Recent studies have shown benefits of using tidal stream and wave energy in the electricity generation mix to improve supply–demand balancing on annual/subannual timeframes. This paper investigates this further by considering the variability of solar photovoltaic, onshore and offshore wind, wave, and …

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On tidal array layout sensitivity to regional hydrodynamics representation

Connor Jordan, Daniel Coles, Fraser Johnson, Athanasios Angeloudis

Hydrodynamic models are required to predict the power produced by a tidal array and the impact on the surrounding environment. The influence of common model inputs to layout optimisation are investigated herein. This is achieved using a shallow water equation based tidal …

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Sheared turbulent flows and wake dynamics of an idled floating tidal turbine

Lilian Lieber, Shaun Fraser, Daniel Coles, W. Alex M. Nimmo‐Smith

Ocean energy extraction is on the rise. While tides are the most predictable amongst marine renewable resources, turbulent and complex flows still challenge reliable tidal stream energy extraction and there is also uncertainty in how devices change the natural environment. To ensure …

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On tidal array layout sensitivity to regional and device model representation

Connor Jordan, Athanasios Angeloudis, Daniel Coles, Fraser Johnson

In-stream tidal devices are ready to be deployed, yet the largest operational commercial array is limited to 6MW. Upcoming government support should see the size of such arrays increase by orders of magnitude, and thus the optimal placement of turbines within tidal …

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Measurements of tidal flow variability in Ramsey Sound, Pembrokeshire

Jon Miles, Daniel Coles, David Simmonds, A. ELLIOT PAINE et autres

The nature of the flow at in-stream tidal energy sites is particularly important for predicting array and device performance, and also for operations and maintenance planning. Previous developers have reported issues such as the choice of vessel, cost of operations, and the …

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Optimization of a Tidal–Wind–Solar System to Enhance Supply–Demand Balancing and Security: A Case Study of the Goto Islands, Japan

Patxi Garcia–Novo, Daniel Coles, Yusaku Kyozuka, Reiko A. Yamada et autres

Due to the expected increase in electric power demand in the coming decades and the economic and environmental issues caused by power generation from the combustion of hydrocarbon fuels, the integration of renewable energy into the grids of remote islands has attracted …

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The offshore renewables industry may be better served by new bespoke design guidelines than by automatic adoption of recommended practices developed for oil and gas infrastructure: A recommendation illustrated by subsea cable design

Terry Griffiths, Scott Draper, Liang Cheng, Hongwei An et autres

Introduction There is an emerging need for the offshore renewable industry to have their own bespoke design guidelines because the associated projects and offshore facilities differ in fundamental ways to oil and gas facilities. Offshore renewable energy (ORE) facilities have already surpassed …

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Impacts of tidal stream power on energy system security: An Isle of Wight case study

Daniel Coles, Bevan Wray, Robert W. Stevens, Scott A.G.M. Crawford et autres

The new Energy System Model for Remote Communities (EnerSyM-RC) is implemented to quantify impacts from adopting tidal stream power alongside solar PV, offshore wind and energy storage in the Isle of Wight energy system. Based on scenarios with gross renewable energy generation …

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