Combining renewable energy sources with conversion and storage is a development at full speed in offshore wind. The aim is to have wind farms, solar farms, electrolysis units, and battery systems working together in one sustainable hybrid power plant, maximising the use of the wind farm while minimising the amount of energy required and system costs.

Collaborate with TNO on integration of wind farms in a hybrid energy system?

Contact Iratxe Gonzalez Aparicio

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Monitoring and controlling energy flows

What makes this complex is that it involves different energy sources and storage types, which must be able to provide energy at any time. This requires the ability to accurately monitor and control the energy flows between these sources, meaning all cables and other components must be optimally coordinated. In addition, our cybersecurity experts will need to ensure that the networks are extremely well protected against external attacks.

Smoothing peaks

Hybrid power plants play an important role in smoothing out supply peaks. Overproduction of wind energy can cause congestion in the grid. When this is the case, it makes sense to convert surplus electricity into hydrogen through electrolysis and to bring it ashore for direct use or storage. Another possibility is to store electricity in battery systems and to discharge the stored energy when there is little wind.

Accurately aligning supply and demand

To accurately align supply and demand, TNO has developed an Energy Management System (EMS) to regulate this type of hybrid energy system. This system enables the precise alignment with market demand, thereby also ensuring the electricity grid is optimally utilised. EMS integrates wind and solar energy sources, an electrolyser for the production of green hydrogen, a battery, and a heat-conversion system for planning and monitoring, using simulation and control models to optimally combine all these elements. It is a unique tool for designers, developers, operators, and network managers.

Many advantages

There are many advantages to align renewable energy sources with conversion and storage. Total energy production increases because overcapacity can be stored. The flexibility of the system allows energy to be stored in batteries when the price is low and used when it is high. EMS can accurately predict the amount of energy generated per hour, resulting in highly efficient production.

The TNO and Wageningen Research SWITCH Lab is a testing station in which we work on innovations in this field, testing innovations on a small scale before applying them on a larger scale. Industrial parties can have their configurations tested in practice at the lab, and develop control strategies for them.

The EU’s MAGPIE (‘sMArt Green Ports as Integrated Efficient multimodal hubs’) project is about creating green ports that use a sustainable energy supply and transport. In this consortium made up of dozens of market and knowledge parties, TNO is contributing to the demonstration of the application of batteries in the port of Rotterdam.

Roadmap

Wind energy system integration

The implementation and transport of large scale deployment of wind energy to the Dutch energy system requires heavy-duty infrastructure; infrastructure which enables energy companies to deliver electricity... Read more
Our work

Maximising the value of wind energy in the future energy mix

The tremendous growth of wind as a renewable energy source, its conversion into hydrogen, other energy carriers, and expanding storage options are going to change the playing field significantly in the... Read more
Our work

Required infrastructure to integrate offshore wind into the energy system

Due to the strong growth of offshore wind energy, ever larger amounts of wind energy must be incorporated into the energy system. Some wind energy will come ashore as electricity via cables, other portionsof... Read more
Our work

Energy islands for conversion, transport, and storage

Countries bordering the North Sea are working ever more closely together to accelerate the development of wind energy. The Netherlands, Germany, Belgium and Denmark aim to be producing an annual 150 gigawatts... Read more
Our work

Wind farms in synergy with society and environment

Within a few decades, approximately a quarter of the North Sea will consist of wind farms. This is necessary in order to meet the growing demand for wind energy. TNO is developing knowledge about the... Read more
Our work

Keeping the electricity grid stable when there’s a surplus of wind and solar

How will our future electricity grid remain stable and affordable? SWITCH is a small scale lab in the middle of the Flevopolder, but the results of the experiments that are planned here are of great importance... Read more
Contact

Dr. Iratxe González-Aparicio

  • Wind Energy