Networked energy systems: Rethinking electrification

At the start of my career, I saw electrification as an individual, single problem that could be solved through technical means. Today, I perceive it as part of a comprehensive transformation of energy systems that merges and melds technical, economic and social aspects.

Electrification will only unleash and realise its full potential when combined with heat supply, energy storage and digital and automated control systems. Accordingly, a systemic approach is what is called for.

Electrification, digitalisation and automation are the key building blocks of modern energy systems. Electrification provides the physical foundation, digitalisation renders conditions and processes transparent, while automation enables them to be controlled in a targeted manner.

However, not every form of digitalisation is appropriate and expedient. It is crucial to limit data-driven processes to what is technically and economically necessary, in order to avoid unnecessary complexity arising.

A significant shift is evident in energy consumption patterns. Systems are increasingly operating continuously and must therefore function reliably at all times. Consequently, the energy supply becomes a permanent background function.

This development gives rise to increased demands on:

• Reliability

• Resilience

• Continuous operability

Energy infrastructures must remain stable and responsive – also under variable conditions.

For me, taking a holistic view of the entire life cycle of technical systems is key. In addition to operation, the phases of use, maintenance, adaptation and decommissioning must also be taken into account right from the development stage.

This gives rise to clear requirements: Systems should be modular in design, repairable and expandable. Interchangeable components extend service life and facilitate technical developments. At the same time, the recycling of materials is becoming increasingly significant in the context of the circular economy. This not only promotes sustainability but also reduces dependencies within global supply chains.

The transformation of energy systems is taking place predominantly in existing buildings. Existing facilities and networks must be modernised incrementally, in stages without disrupting day-to-day operations.

Different stages of technological development call for flexible integration strategies. In addition, organisational changes are needed, such as greater agility and stronger interdisciplinary collaboration.

I perceive considerable scope for improvement, particularly when it comes to interfaces and connectivity. The high degree of variability makes integration, maintenance and further developments all the more difficult.

Greater standardisation can reduce complexity and promote cross-organisational solutions. Cooperation can be particularly beneficial when it comes to material cycles and recycling concepts.

Technical excellence alone does not determine the success of a solution. Systems must meet specific requirements and take actual needs into account.

Too many features or a premature market launch can undermine acceptance and cost-efficiency, which is why it is essential to focus consistently on application scenarios and future requirements.

Implementation will take place incrementally, in stages. Initial solutions are already emerging, but widespread systemic scaling is expected in the medium to long term. Key drivers include regulatory requirements, ever rising demands for resource efficiency and increasing pressure to ensure sustainability.

Electrification is now a systemic challenge. What matters here is not the maximum of technological capabilities, but robust, adaptable and resource-efficient integrated overall systems.