A pilot solar thermal plant will be built in Sukawu-Podlaski

The combination of biogas technology, heat pumps and energy storage is to bring the share of renewable energy in the energy produced at the new CHP plant to exceed 95%. The installation in Sokołów Podlaski will operate according to the closed loop model.

The National Research and Development Center selected the Sokołów Podlaski power plant as the best project submitted for the “CHP plant in the local energy system” programme. It is implemented by a consortium led by ECN SA.

The designed power and heat plant will start next year. It will allow rational management of electricity thanks to the storage of produced biogas. According to the assumptions, the system is to provide heat to the local population at a price similar to the prices of energy produced in conventional systems that use fossil fuels.

With the project “Combining heat and energy in the domestic energy system”, we prove that in the Polish realities it is possible to implement a combined heat and energy system that will provide consumers with heat and electricity obtained at least 80 percent. from renewable sources. The first results of the research we received show that the share of renewables may be close to 100%. – explains Remigiusz Kopoczek, Acting Director of the NCBR.

Residential heating system

A CHP prototype powered by RES will be built in Sokołów Podlaski as part of the “Sokołów Safe and Clean Energy” project. It supposes the creation of an intelligent combined heat and power system based on the circular economy model.

In the first phase of operation, the power and heating plant will meet demand by 40 percent. heating system (heating apartments and other usable areas of the city and providing hot water), and in the end – the entire system in Sokołów Podlaski, which includes 20 thousand. The population, half of whom are systemic heat recipients.

As Remigiusz Kopoczek says:- We hope that the specific concept will contribute to increasing the energy security of the local community, reduce the impact of price increases on energy carriers on the costs of community services, which have not been recorded for years, improve the quality of life of its residents and will contribute to the environment..

The representative of the National Council for Statistics and Statistics also provides a broader perspective on the use of the project:

We also see an opportunity that the designed solar thermal power plant will create a viable and viable alternative to the small and medium heating systems (up to 50 MW) that are being operated in hundreds of Polish cities and businesses.. I wouldn’t be surprised if the project gained attention abroad also because of the technological innovation of the solutions used.

Closed circle

The Sokołów CHP plant will be powered by energy generated in a system of cogeneration engines (CHP), heat pumps and biogas boiler, where the bio-methane fuel will be of agricultural origin, and in the future also bio-methane from industrial and municipal waste.

The municipal heating network will provide heat with parameters at the level of 80/60 ° C, while in the future the parameters can be reduced to the level of 70/50 ° C, which will contribute to reducing losses in the heating network.

A bio-powered methane cogeneration system will generate electricity and heat from stored green energy. The schedule for its work depends on the current needs of the CHP plant, but also on the market demand for electricity (the current sale / purchase price). The management of the operation of the cogeneration unit will be possible thanks to the storage of the produced biogas and the intelligent control of the operation of the air / water heat pumps.

The developed system will be equipped to supply hydrogen and to produce compressed bio-methane (bioCNG), which will be able to power city buses and agricultural machinery. Ultimately, the local power system is set to integrate electricity infrastructure with a total capacity of about 10 megawatts, including: wind farms, photovoltaic farms and bio-methane co-generators.

smart city of BOVAT

The project of the CHP plant of Sokołów Podlaski began in collaboration with a group of partners led by the municipal government, which in 2017 created the local energy group “Safe and Clean Energy in Sokołów”. Its activity led to the formation of a consortium led by ECN SA – Integrator for Intelligent Energy Systems. The consortium also includes: Energotechnika sp. Z oo, Przedsiębiorstwo Usług Inżynieryjno-Komunalnych Sp. z oo in Sokołów Podlaski, Biogas East sp. z oo Building Emission Certification Institute sp. z oo

We not only want to solve local problems and support entrepreneurs and local governments in Sokołów Province in planning and making an equitable energy transition, but also to create reference solutions for smart energy systems for medium-sized cities – says Maciej Wąż, Chairman of the Board of Directors of ECN SA.

We believe that the idea of ​​a “smart city” is not limited to large cities only, and the three-dimensional concept (digitization, decarbonization, decentralization) that supports the energy development strategy should be implemented mainly in small and medium-sized cities – He adds.

According to NCBR, Sokołów Podlaski’s CHP is characterized by the integration – based on artificial intelligence – of many geographically dispersed elements of RES technology. A particularly interesting solution is to build a complete bio-methane technology pathway, including biogas production, storage, refining, and transportation from farmland to city, where it is used to produce heat and electricity (and in the future, possibly also to produce cooling and fuel for environmental transportation). general).

The members of the consortium also intend to support the local government authorities of Sokolo-Podlaskie District in launching an educational center for training “future heating and energy plants” and to become a tool for transferring the developed concept to other sites.

We believe that our initiative may become a kind of “open source” for district heating, where subsequent partners on the one hand draw from existing resources, solutions and concepts, and on the other hand introduce new ideas and solutions, creating more and more project value – The head of ECN SA confirms.

Barbara Blachkowska

barbara.blaczkowska@gramwzielone.pl

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