Building Energy Flexibility is revolutionizing energy management by combining digital technology with traditional infrastructure to enhance the efficiency and sustainability of the power grid.
This is precisely what Forbes highlighted in an article by Thomas Kiessling, CTO at Siemens Smart Infrastructure, emphasizing the pivotal role of buildings in the energy transition.
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Concept and Functionality

Buildings equipped with energy flexibility technologies use the Internet of Things (IoT) and Artificial Intelligence (AI) to adjust their energy consumption in real time. By optimizing usage during periods when renewable energy is abundant, they help reduce pressure on the grid during peak demand.

Economic and Environmental Benefits

This flexibility can lead to savings of up to 8% in grid infrastructure investment. For building owners, it means lower energy bills. For utilities, it reduces the need for new infrastructure. From an environmental perspective, it supports better integration of renewables and reduces reliance on fossil fuels.

Towards Carbon Neutrality

By integrating flexibility and renewable energy sources, buildings can achieve carbon neutrality more cost-effectively. They optimize their energy use while significantly lowering their carbon footprint.

Challenges and Opportunities

Despite its potential, challenges remain—particularly in terms of technology, regulation, and incentives. Greater awareness and education among stakeholders are essential to drive adoption.
By combining AI and IoT, buildings are becoming key players in a more sustainable, resilient, and carbon-neutral energy future.