Repurposing coal plants |


advanced heat sources, sites, and power plant requirements.


● The heat transfer and storage system designed by MIT acts as a versatile ‘USB plug’ for a range of existing power plants.


● New digital infrastructure enables all key stakeholders, including regulators, suppliers, and customers to be connected like never before in the nuclear energy sector.


● Algorithmic design tools created by Bryden Wood will assess coal plant viability for boiler replacement, create initial concepts using a design configurator in just days, and produce detailed design outputs for manufacturing.


Standardised building system design


Instead of thousands of individual projects, we must have a unified approach where the design is simplified and standardised so that a much wider pool of designers, manufacturers and contractors can be involved to make Repowering Coal a reality as quickly as possible. Together with our consortium partners, we’re working to create a new building system to standardise and optimise the following key


elements: ● all processes, including procurement, investment and approval;


● building and engineering systems; ● design, manufacture, assembly and operation; and


● interactions between different supply chain organisations to enable greater collaboration. A standardised but customisable heat transfer and storage system allows the new, small nuclear systems to ‘plug in’ to existing coal plant infrastructure which will deliver a capital cost saving of 28- 35% (compared to a new nuclear plant) and doesn’t require major reworking of the existing energy grid.


Standardisation will address the differing requirements for a wide variety of SMRs, site layouts, and energy and heat demand. The component-based design enables the plant to be reconfigured and expanded to accommodate different numbers of SMRs while adhering to Generation IV safety and regulation standards. This simplified design can be applied more quickly by a wide range of designers. The


structural components can be mass produced by existing manufacturers. Most of the on-site assembly can be completed by non-nuclear specialists.


Bryden Wood, creators of this new building system, have developed similar solutions for other applications (UK Ministry of Justice and Department of Health and Social Care, as well as commercial clients such as Landsec), resulting in huge reductions in construction time, carbon and cost.


A new digital platform New digital infrastructure will enable design knowledge to be embedded in the building systems and design tools so that all parties can share progress and results in real time across all projects.


New algorithmic design tools are being


created to: ● assess coal plant viability for SMR replacement; ● create initial concepts using a design configurator in just days; and


● produce detailed design outputs for manufacturing.


Together, the tools create a completely new, open, digital platform to which everyone has access and can contribute. There’s a seat at the design ‘table’ for everyone from plant owners to regulators, to suppliers, SMR vendors, customers, investors and assemblers. Now, for the first time, it’s possible to connect these people together


with a digital platform and give them access to all the information on their project.


The end-product will enable coal plant owners to begin pre-development analysis for their fleets using these tools to evaluate the financial, social, and environmental benefits of repowering with a high level of certainty with respect to requirements for budgeting, scheduling, licensing, and site development.


This, in turn, could make existing coal plants into attractive assets, making it easier for owners and investors to build, maintain, and operate them as new clean energy plants across a broad range of markets.


Repowering Coal means that a wide range of coal plant owners will have access to a cost- effective and speedy solution for replacing coal, while retaining their existing assets. A wide range of reactor manufacturers will have access to more clients. Large scale de-risked investment opportunities will become available to companies that develop and deliver the constituent parts of the overall initiative. Repowering Coal is an attractive proposition for communities to keep jobs, secure other investment and create a better local environment.


Join us Above: Visualisation of twin-unit 1200 MWe coal plant following repowering 14 | April 2022| www.modernpowersystems.com


Repowering existing coal plant infrastructure is the largest single carbon abatement opportunity on the planet and could greatly accelerate the clean energy transition. It would also sustain jobs and community tax revenues associated with existing coal plants, and protect the larger social, economic, and environmental benefits associated with continued reliable and flexible electricity generation and continued use of existing transmission lines—without emissions. By replacing coal fired boilers at existing coal plants with carbon-free small modular reactors, these power plants can generate carbon free electricity, rather than carbon intensive electricity. This would quickly transform coal fired power plants from polluting liabilities facing an uncertain future, into jewels of the new clean energy system transition—an important part of the massive and pressing infrastructure build-out needed to address climate change. We invite everyone interested in pragmatic and global-scale solutions for tackling the climate crisis to join us in Repowering Coal.


Standardised building system, part of the Repowering Coal concept. AHS = advanced heat source. (This and illustration below: courtesy Bryden Wood)


Standardised AHS modules Standardised buildings Standardised interfaces


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