Dr Salvador Acha

Faculty of Engineering, Department of Chemical Engineering

Senior Research Fellow

Contact

+44 (0)20 7594 3379salvador.acha Website CV

Location

453AACE ExtensionSouth Kensington Campus

Summary

Publications

Books

Acha, S. (2013) Modelling Distributed Energy Resources in Energy Service Networks. IET Press, Renewable Energy 16. London, UK. IET Bookstore.
Kierstead, J., Shah, N. Editors (2013) Urban Energy Systems: An Integrated Approach. Routledge Press. London, UK. (Co-author of a Book Chapter). Routledge Bookstore.
Acha, S., O'Dwyer E, Indranil P, Shah N, (2022), Intelligent Decarbonisation: Can Artificial Intelligence and Cyber-Physical Systems Help Achieve Climate Mitigation Targets?, Springer Link. (Co-author of a Book Chapter). Springer Bookstore.

Briefs

Baker, W., Acha, S., Jennings, N., Markides, C., and Shah, N. (2022), Decarbonising Buildings: Insights from across Europe. The Grantham Institute.
Hart, M., Austin, W., Acha, S., Lambert, R., Markides, C., and Shah, N. (2020), Impact of a Warming Climate on UK Food Retail Refrigeration Systems: Recommendations for Industry. The Grantham Institute.

Journals

Soh Q.Y., O'Dwyer E., Acha S, Shah N., (2023). Robust optimisation of combined rainwater harvesting and flood mitigation systems. Water Research. https://doi.org/10.1016/j.watres.2023.120532
Bustos, G. van Dam, K.H., Acha, S. and Shah, N. (2023), An Agent-Based Decision Support Framework for a Prospective Analysis of Transport and Heat Electrification in Urban Areas. Energies. https://doi.org/10.3390/en16176312
Cooper, J., Bird, M., Acha, S., Amrit, P., Chachuat, B., Shah, N., and Matar, O. (2023), The Carbon Footprint of a UK Chemical Engineering Department – The Case of Imperial College London. Procedia CIRP. https://doi.org/10.1016/j.procir.2023.02.075
Sarabia, E.J., Soto, V., Pinazo, J.M., and Acha, S. (2023), Economic and environmental analysis of domestic hot water systems for single-family homes. Energy and Buildings. https://doi.org/10.1016/j.enbuild.2023.112925
Li, K., Acha, S., Sunny, N., and Shah, N. (2022), Strategic transport fleet analysis of heavy goods vehicle technology for net-zero targets. Energy Policy. https://doi.org/10.1016/j.enpol.2022.112988
Acha, S., Vieira, G., Bird, M., and Shah, N. (2022), Modelling UK Electricity Regional Costs for Commercial Buildings. Energy and Buildings. https://doi.org/10.1016/j.enbuild.2022.112301
Bird, M., Daveau, C., O'Dwyer, E., Acha, S., and Shah, N. (2022), Real-world implementation and cost of a cloud-based MPC retrofit for HVAC control systems in commercial buildings. Energy and Buildings. https://doi.org/10.1016/j.enbuild.2022.112269
Sarabia, E.J., Hart, M., Acha, S., Soto, V., Shah, N., and Markides, C. (2022), Techno-economic evaluation of integrated energy systems for heat recovery applications in food retail buildings. Applied Energy. https://doi.org/10.1016/j.apenergy.2021.117799
Soh Q.Y., O'Dwyer E., Acha S, Shah N., (2022). Model agnostic framework for analyzing rainwater harvesting system behaviors. Computer Aided Chemical Engineering, Elsevier, Volume 49, Pages 2023-2028, https://doi.org/10.1016/B978-0-323-85159-6.50337-7
Gulliford, M., Orlebar, R., Bird, M., Acha, S., and Shah, N. (2021), Developing a Dynamic Carbon Benchmarking Method For Large Building Property Estates. Energy and Buildings. https://doi.org/10.1016/j.enbuild.2021.111683
Acha S., Soler, A., and Shah, N. (2021), Best practices to mitigate CO2 operational emissions: A case study of the Basque Country energy ecosystem. Ekonomiaz Basque Economic Review, ISSN: 0213-3865.
Ayoub, A.N., Gaigneux, A., Le Brun, N., Acha, S., and Shah, N. (2020), The development of a low-carbon roadmap investment strategy to reach Science Based Targets for commercial organisations with multi-site properties. Building and Environment. https://doi.org/10.1016/j.buildenv.2020.107311
Hart, M., Austin, W., Acha, S., Le Brun, N., Markides, C., and Shah, N. (2020), A roadmap investment strategy to reduce carbon intensive refrigerants in the food retail industry. Journal of Cleaner Production. https://doi.org/10.1016/j.jclepro.2020.123039
Acha, S., Le Brun, N., Damaskou, M., Fubara, T.C., Mulgundmath, V., Markides, C., and Shah, N. (2020), Fuel cells as combined heat and power systems in commercial buildings: A case study in the food-retail sector. Energy. https://doi.org/10.1016/j.energy.2020.118046
Le Brun, N., Simpson, M., Acha, S., Shah, N., and Markides, C. (2020), Techno-economic potential of low-temperature, jacket-water heat recovery from stationary internal combustion engines with organic Rankine cycles: A cross-sector food-retail study. Applied Energy. https://doi.org/10.1016/j.apenergy.2020.115260
Olympios, A.V., Le Brun, N., Acha, S., Shah, N., and Markides, C. (2020), Stochastic real-time operation control of a combined heat and power (CHP) system under uncertainty. Energy Conversion and Management. https://doi.org/10.1016/j.enconman.2020.112916
Maouris, G., Sarabia, E.J., Acha, S., Shah, N., and Markides, C. (2020), CO2 refrigeration system heat recovery and thermal storage modelling for space heating provision in supermarkets: An integrated approach. Applied Energy. https://doi.org/10.1016/j.apenergy.2020.114722
Langshaw, L., Ainalis, D., Acha, S., Shah, N., and Stettler, M. (2020), Environmental and economic analysis of liquefied natural gas (LNG) for heavy goods vehicles in the UK: A Well-to-Wheel and total cost of ownership evaluation. Energy Policy. https://doi.org/10.1016/j.enpol.2019.111161
Gonzato, S., Chimento, J., O'Dwyer, E., Bustos Turu, G., Acha, S., and Shah, N. (2019), Hierarchical price coordination of heat pumps in a building network controlled using model predictive control. Energy and Buildings. https://doi.org/10.1016/j.enbuild.2019.109421
Pozo, C., Limleamthong, P., Guo, Y., Green, T., Shah, N., Acha, S., Sawas, A., Wu, C., Siegert, M., and Guillen-Gosalbez, G. (2019), Temporal sustainability efficiency analysis of urban areas via Data Envelopment Analysis and the hypervolume indicator: Application to London boroughs. Journal of Cleaner Production. https://doi.org/10.1016/j.jclepro.2019.117839
Sarabia, E.J., Acha, S., Le Brun, N., Soto, V., Pinazo, J.M., Markides, C., and Shah, N. (2019), Modelling of a real CO2 booster installation and evaluation of control strategies for heat recovery applications in supermarkets. International Journal of Refrigeration. https://doi.org/10.1016/j.ijrefrig.2019.08.005
Howard, B., Acha, S.,Shah, N., and Polak, J. (2019), Implicit Sensing of Building Occupancy Count with Information and Communication Technology Data Sets. Building and Environment. https://doi.org/10.1016/j.buildenv.2019.04.015
Chakrabarti, A., Proeglhoef, R., Bustos Turu, G., Lambert, R., Mariaud, A., Acha, S., Shah, N., and Markides, C. (2019), Optimisation and analysis of system integration between electric vehicles and UK decentralised energy schemes. Energy. https://doi.org/10.1016/j.energy.2019.03.184
Ayoub, A.N., Gaigneux, A., Le Brun, N., Acha, S., Lambert, R., and Shah, N. (2019), The development of a carbon roadmap investment strategy for carbon intensive food retail industries. Energy Procedia.
https://doi.org/10.1016/j.egypro.2019.02.107
Efstratiadi, M., Acha, S., Shah, N., and Markides, C. (2019), Analysis of a closed-loop water-cooled refrigeration system in the food retail industry: A UK case study. Energy. https://doi.org/10.1016/j.energy.2019.03.004
O'Dwyer, E., Pan, I., Acha, S., and Shah, N. (2019), Smart energy systems for sustainable smart cities: Current developments, trends and future directions. Applied Energy. https://doi.org/10.1016/j.apenergy.2019.01.024
Sorrentino, A., Pantaleo, A.M., Le Brun, N., Acha, S., Markides, C., Braccio, G., Fanelli, E., and Camporeale, S.M. (2018), Energy performance and profitability of biomass boilers in the commercial sector: A case study in the UK. Energy Procedia.
https://doi.org/10.1016/j.egypro.2018.08.152
Solomos, G., Acha, S., Shah, N., and Markides, C. (2018), A generic tool for quantifying the energy requirements of glasshouse food production. Journal of Cleaner Production. https://doi.org/10.1016/j.jclepro.2018.03.278
Acha, S., Mariaud, A., Shah, N. and Markides, C. (2017), Optimal design and operation of distributed low-carbon energy technologies in commercial buildings. Energy. https://doi.org/10.1016/j.energy.2017.10.066
Solomos, G, Acha, S., Shah, N., and Markides, C. (2017), Assessing, Benchmarking and Analyzing Heating and Cooling Requirements for Glasshouse Food Production: A Design and Operation Modelling Framework. Energy Procedia. https://doi.org/10.1016/j.egypro.2017.07.250
Delangle, A., Lambert, R., N., Shah, N., Acha, S., and Markides, C. (2017), Modelling and optimising the marginal expansion of an existing district heating network. Energy. https://doi.org/10.1016/j.energy.2017.08.066
Mariaud, A., Acha, S., Ekins-Daukes, N., Shah, N. and Markides, C. (2017), Integrated optimisation of photovoltaic and battery storage systems for UK commercial buildings. Applied Energy. https://doi.org/10.1016/j.apenergy.2017.04.067
Cedillos, D., Acha, S., Shah, N., and Markides, C. (2016), A Technology Selection and Operation (TSO) optimisation model for distributed energy systems: Mathematical formulation and case study. Applied Energy. https://doi.org/10.1016/j.apenergy.2016.08.013
Bustos, G. Miao, G, van Dam, K.H., Acha, S. and Shah, N. (2016), Incorporating Life Cycle Assessment Indicators into Optimal Electric Vehicle Charging Strategies: An Integrated Modelling Approach. Computer Aided Chemical Engineering. http://dx.doi.org/10.1016/B978-0-444-63428-3.50045-X
Acha, S., Du, Y., and Shah, N. (2016), Enhancing Energy Efficiency in Supermarket Refrigeration Systems through a Robust Energy Performance Indicator. International Journal of Refrigeration. https://doi.org/10.1016/j.ijrefrig.2015.12.003
Caritte, V., Acha, S., and Shah, N. (2015), Enhancing Corporate Environmental Performance Through Reporting and Roadmaps. Business Strategy and the Environment. http://dx.doi.org/10.1002/bse.1818
Mavromatidis, G., Acha, S., Shah, N. (2013), Diagnostic Tools of Energy Performance for Supermarkets using Artificial Neural Network Algorithms, Energy and Buildings. https://doi.org/10.1016/j.enbuild.2013.03.020

Conference Proceedings

Soh Q.Y., O'Dwyer E., Acha S, Shah N., (2022). Stochastic optimal design for large-scale rainwater harvesting and detention systems. Proceedings of ECOS 2022 – Presented at the 35th International Conference On Efficiency, Cost, Optimisation, Simulation And Environmental Impact of Energy Systems;
Copenhagen, Denmark, July 1 – 3 2022.
Soh Q.Y., O'Dwyer E., Acha S, Shah N., 2020, Optimization and Control of a Rainwater Detention and Harvesting Tank, Editors: Pierucci, Manenti, Bozzano, Manca, Publisher: ELSEVIER SCIENCE BV, Pages: 547-552 .
Hart, M., Olympios, A., Le Brun, N., Shah, N., Markides, C., and Acha, S. (2020). Pre-Feasibility Modelling and Market Potential Analysis of a Cloud-Based CHP Optimiser. Presented at the 2020 ASHRAE Annual Conference, Austin, TX, USA, June 27 – July 1 2020.
Sarabia, E.J., Acha, S., Le Brun, N., Soto, V., Pinazo, J.M., Shah, N., and Markides, C. (2020). Modelling of a CO2 refrigerant booster system for waste heat recovery applications in retail for space heating provision. Presented at the 2020 ASHRAE Annual Conference, Austin, TX, USA, June 27 – July 1 2020.
Soh, Q. Y., Dwyer, E. O., Acha, S., & Shah, N. (2020). Optimization and Control of a Rainwater Detention and Harvesting Tank. 30th European Symposium on Computer Aided Chemical Engineering, 547–552.
Bird, M., Acha, S., Le Brun, N., and Shah, N. (2019). Assessing the Modelling Approach and Datasets Required for Fault Detection in Photovoltaic Systems. Presented at the 54th IEEE Industry Applications Society Annual Meeting, Baltimore, Maryland, USA, September 29 – October 3 2019.
O'Dwyer, E., Pan, I., Acha, S., Gibbons, S., and Shah, N. (2019), Modelling and Evaluation of Multi-vector Energy Networks in Smart Cities. Presented at the International Conference on Smart Infrastructure and Construction 2019 (ICSIC): Driving data informed decision making; Cambridge, UK, July 5 2019.
Olympios, A., Le Brun, N., Acha, S., Lambert, R., Shah, N., and Markides, C. (2019). Installation of a dynamic controller for the optimal operation of a CHP engine in a supermarket under uncertainty. Proceedings of ECOS 2019 – Presented at the 32^nd International Conference On Efficiency, Cost, Optimisation, Simulation And Environmental Impact of Energy Systems; Wroclaw, Poland, June 23 – 28 2019.
Acha, S., Le Brun, N., Lambert, R., Bustos Turu, G., Shah, N., and Markides, C. (2018). UK Half-Hourly Regional Electricity Cost Modelling for Commercial End Users. Proceedings of ECOS 2018 – Presented at the 31^st International Conference On Efficiency, Cost, Optimisation, Simulation And Environmental Impact of Energy Systems; Guimaraes, Portugal, June 17 – 21 2018.
Le Brun, N., Acha, S., Lambert, R., Markides, C., and Shah, N. (2018). Fuel Cells as CHP Systems in Commercial Buildings: a Case Study for the Food Retail Sector. Presented at the 2018 ASHRAE Annual Conference, Houston, TX, USA, June 23 – 27 2018.
Acha, S., Lambert, R., Le Brun, N., Markides, C., and Shah, N. (2018). Optimal CHP Investments Applying Sensitivity Analyses and Financial Risk Management Indicators. Presented at the 2018 ASHRAE Annual Conference, Houston, TX, USA, June 23 – 27 2018.
Acha, S., Le Brun, N., Lambert, R., Bustos Turu, G., Shah, N., and Markides, C., (2018) UK Half-Hourly Regional Electricity Cost Modelling for Commercial End Users. Proceedings of ECOS 2018 – Presented at the 31^st International Conference On Efficiency, Cost, Optimisation, Simulation And Environmental Impact of Energy Systems; Guimaraes, Portugal, June 17 – 22 2018.
Chatzopoulou, M.A., Acha, S., Oyewunmi, O., and Markides, C. (2017). Thermodynamic and economic evaluation of trigeneration systems in energy-intensive buildings. Presented at the 13th International Conference on Heat Transfer, Fluid Mechanics and Thermodynamics (HEFAT), Portoroz, Slovenia, July 17-19 2017.
Soler, A., Acha, S., Bustos Turu, G. and Shah, N. (2017) Half-Hourly Regional Electricity Price Modelling for Commercial End Users in the UK. Presented at the 2017 ASHRAE Annual Conference, Long Beach, USA, June 24 - 28 2017.
Efstratiadi, M., Acha, S., Shah, N. and Markides, C. (2017) Analysis of Closed Loop Water-Cooled Refrigeration Systems for the Food Retail Industry: A UK case study. Presented at the 2017 ASHRAE Annual Conference, Long Beach, USA, June 24 - 28 2017.
Mariaud, A., Acha, S., Ekins-Daukes, N. and Shah, N. (2017) Integrated Optimisation of PV and Battery Storage Systems for UK Non-Domestic buildings. Presented at the 2017 ASHRAE Annual Conference, Long Beach, USA, June 24 - 28 2017.
Howard, B., Acha, S., Shah, N. and Polak, J. (2017) Measuring building occupancy through ICT data streams. Presented at the ECEEE 2017 Summer Study - Consumption, Efficiency & Limits, Belambra Presquile de Giens, France, May 29 - June 3 2017.
Cedillos, D., Acha, S. and Shah, N. (2016) Optimal Technology Selection and Operation of Biomethane CHP Units for Commercial Buildings. Presented at the 2016 ASHRAE Annual Conference, St. Louis, USA, June 25 - 29 2016.
Dalpane, P., Acha, S. and Shah, N. (2016) Operational and economic analysis of GSHP coupled with refrigeration systems in UK supermarkets. Presented at the 2016 ASHRAE Annual Conference, St. Louis, USA, June 25 - 29 2016.
Acha, S. and Shah, N. (2016) Re-commissioning Energy Conservation Measures in Supermarkets: An UK Case Study. Presented at the 2016 CLIMA - 12th REHVA World Congress, Aalborg, Denmark, 22-25 May 2016.
Acha, S., Bustos-Turu, G. and Shah, N. Modelling Real-Time Pricing of Electricity for Energy Conservation Measures in the UK Commercial Sector. IEEE Energycon 2016, 4-8 April 2016 Leuven, Belgium.
Bustos-Turu, G., Van Dam, K., Acha, S. Markides, C. and Shah, N. Simulating residential electricity and heat demand in urban areas using an agent-based modelling approach. IEEE Energycon 2016, 4-8 April 2016 Leuven, Belgium.
Acha, S., Bustos-Turu, G. and Shah, N. (2015) Modelling the Business Case to Run on-Site Generators in UK Commercial Buildings through Real-Time Electricity Pricing, 2015 ASHRAE Energy Modeling Conference, 30 September- 2 October, 2015, Atlanta, GA.
Andrianopoulos E., Acha S. and Shah N. (2015) Achieving net zero carbon performance in a commercial building by aligning technical and policy alternatives: An UK Case study. Proceedings of ECOS 2015 – Presented at the 28^th International Conference On Efficiency, Cost, Optimisation, Simulation And Environmental Impact of Energy Systems; Pau, France, June 30 – July 3 2015.
Bustos-Turu, G., Acha, S., van Dam, K.H. and Shah, N. (2015) Assessing trade-offs in electric vehicle smart charging strategies through agent-based simulation and multi-objective optimisation. 17th British-French-German Conference on Optimization, 15-17 June, 2015 London, UK.
Bustos-Turu, G., Van Dam, K., Acha, S. and Shah, N. Integrated planning of distribution networks: interactions between land use, transport and electric vehicle charging demand. 23rd International Conference on Electricity Distribution, 15-18 June 2015 Lyon, France.
Loh, C., Acha, S., Noye, S. and Shah, N. (2015) Retail Building Thermal Efficiency Improvement Through an Enhanced Re-Commissioning Framework. Presented at the 2015 ASHRAE Annual Conference, Atlanta, USA, June 27 - July 1 2015.
Bos, J., Acha, S. and Shah, N. (2015) Cost effective low carbon store analysis and replication. Presented at the 2015 CIBSE Technical symposium, London, UK, April 16 - April 17 2015.
Bustos-Turu, G., van Dam, K.H., Acha, S. and Shah, N. (2014) Estimating plug-in electric vehicle demand flexibility through an agent-based simulation model. 5th IEEE PES Innovative Smart Grid Technologies (ISGT) European 2014 Conference, 12-15 October, 2014, Istanbul, Turkey.
Bustos-Turu, G., van Dam, K.H., Acha, S., and Shah, N. (2014) A systems approach to understanding the impact of electric vehicle charging infrastructure on grid services. Energy Systems Conference, 24-25 Jun 2014, London, UK.
Bustos-Turu, G., van Dam, K.H., Acha, S. and Shah, N. (2014) Integration of plug-in electric vehicles into urban energy systems: an agent-based modelling approach. Sino-German Symposium: Smart City Processes, 22-26 June 2014, Xiamen, China.
Bustos-Turu, G., van Dam, K.H., Acha, S., and Shah, N. (2013) A review of agent-based modelling for transport electrification analysis. Conference on Agent-Based Modeling in Transportation Planning and Operations, Sept. 2013, Virginia, USA.
Acha, S., Mavromatidis, G., Caritte, V., and Shah, N., (2013) Techno-economical Technology Assessment for Operational Zero Carbon Supermarkets. In Proceedings of ECOS 2013. Guilin, China, July 16th - 19th 2013.
Acha, S., Mavromatidis, G., Caritte, V., and Shah, N., (2013) Effective Low-cost Energy Saving Strategies in Supermarkets: An UK Case Study. In Proceedings of ECOS 2013. Guilin, China, July 16th - 19th 2013.
Acha, S., van Dam, K.H., and Shah, N. (2013) Spatial and Temporal Electric Vehicle Demand Forecasting in Central London. In Proceedings of CIRED 2013. Stockholm, Sweden, 10th -13th June 2013.
Acha, S., van Dam, K.H., and Shah, N. (2012) Modelling Spatial and Temporal Agent Travel Patterns for Optimal Charging of Electric Vehicles in Low Carbon Networks. IEEE Power and Energy Society General Meeting, San Diego, CA, USA. 22nd -26th July 2012.
Acha, S., Shah, N., Ashford, J., and Penfold, D. (2012) Optimal Lighting Control Strategies in Supermarkets for Energy Efficiency Applications via Digital Dimmable Technology. In Proceedings of ECOS 2012. Frankfurt, Germany, June 26th - 29th 2012.
Acha, S., Mancarella, P., Shah, N., Strbac, G., Ashford, J., and Penfold, D. (2011) Innovative Strategies to Increase Energy Efficiency and Economic Performance in Supermarkets. In Proceedings of CIRED 2011. Frankfurt, Germany, June 6th - 9th 2011.
Acha, S., van Dam, K.H., Keirstead, J.,and Shah, N. (2011) Integrated Modelling of Agent-Based Electric Vehicles into Optimal Power Flow Studies. In Proceedings of CIRED 2011. Frankfurt, Germany, June 6th - 9th 2011.
Acha, S., Green, T. C., and Shah, N. (2011). Optimal Charging Strategies of Electric Vehicles in the UK Power Market. In Proceedings of IEEE PES ISGT 2011. Anaheim, CA, USA. 17th -19th January 2011.
Acha, S., Green, T., and Shah, N. (2010) Effects of Optimised Plug-in Hybrid Vehicle Charging Strategies on Electric Distribution Network Losses. IEEE PES Transmission and Distribution Conference and Exposition, New Orleans, USA. 19th -22nd April, 2010.
Acha, S., Green, T., and Shah, N. (2010) Techno-economical Tradeoffs from Embedded Technologies with Storage Capabilities on Electric and Gas Distribution Networks. IEEE Power and Energy Society General Meeting, Minneapolis, MN, USA. 25th -29th July 2010.
Acha, S., Green, T., and Shah, N. (2009) Impacts of Plug-in Hybrid Vehicles and Combined Heat and Power Technologies on Electric and Gas Distribution Network Losses. IEEE-PEA/IAS Conference on Sustainable Alternative Energy, Valencia, Spain. 28th -30th September, 2009.
Acha, S. and Hernandez-Aramburo, C. (2008) Integrated Modelling of Gas and Electricity Distribution Networks with a High Penetration of Embedded Generation. CIRED Seminar 2008: SmartGrids for Distribution. Frankfurt, Germany. 23rd -24th June, 2008.

Thesis

Acha, S., PhD Thesis (2010) Impacts of Embedded Technologies on Optimal Operation of Energy Service Networks. Imperial College London, UK.