Europe’s energy transition is stalling: around 120 gigawatts of solar and wind projects are at risk due to a lack of grid capacity. The expansion of infrastructure is not keeping pace with the pace of new facilities. Without faster grid connections, there is a risk of delays, economic risks and increasing burdens on electricity prices and security of supply.

1. Network capacities as a central bottleneck
Europe is continuing to push ahead with the expansion of solar and wind energy, but is increasingly encountering a structural problem. It is not a lack of projects that are slowing down the energy transition, but rather insufficient network capacities. Around 120 gigawatts of planned systems are at risk because the connection to the power grid is not secured in time. This clearly shifts the bottleneck from generation to infrastructure.
2. Imbalance between planning and implementation
A key driver of this development is the difference in speed between plant construction and network infrastructure. Project developers are implementing projects in ever shorter periods of time, while network projects often take years. Planning, approval and construction are much slower and require complex coordination.
This gap causes projects to pile up. Many projects are waiting for connection options even though they are technically ready. Push at the same time network operator to their limits because they can hardly serve increasing connection requests in a timely manner.
3. Projects approved faster but not connected
Although many projects are now ready for approval much more quickly than just a few years ago, it is precisely at this point that new hurdles arise. Without available grid connections, even fully planned systems lose their economic attractiveness because they cannot feed in electricity. As a result, developers are faced with delays and uncertainty, while investors are becoming increasingly cautious.
4. Slow network expansion as the main cause
The main reason lies in the slow expansion of the network infrastructure. While solar and wind farms can be implemented in a relatively short period of time, grid expansion projects often take many years. Complex approval procedures, high investment costs and coordination problems between various actors further delay progress. This creates a growing backlog of projects waiting to be completed.
5. Investors demand more reliability
The pressure is therefore growing for developers and investors and uncertainty is increasing. Projects are difficult to calculate if the timing of grid connection remains unclear. Delays have a direct impact on profitability and returns.
“The bottleneck has clearly shifted: the project pipeline is no longer the problem, but rather the integration into the network,” explains Lukas Reinhardt, energy market analyst at a European think tank. “Without clear follow-up commitments, investors quickly lose trust.”
As a result, many investors examine projects much more critically. Financing is delayed or does not come about at all, even though the technical requirements are met.
6. Systemic consequences for prices and stability
The bottlenecks have long since had an impact on the entire electricity system. If renewable systems do not feed in, operators increasingly resort to conventional power plants. This drives up emissions and puts a strain on electricity prices.
Regional differences are also increasing. Some regions produce more electricity than they can transport, while others rely on additional energy. These imbalances lead to price jumps and make stable market control more difficult.
At the same time, the demands on network operators are increasing. They have to intervene more frequently to ensure balance in the system. These interventions cost money and reduce the efficiency of renewable energies.
7. Production and consumption are drifting apart
The geographical reality also exacerbates the situation. Renewable energy is often generated where land and natural resources are available, such as in windy regions or sunny areas. However, the need is concentrated in cities and industrial centers.
This spatial separation forces the system to take long transport routes. When lines are missing or overloaded, electricity goes unused or reaches its destination late. This reduces the efficiency of the entire energy system.
8. Politics struggles with speed and coordination
Governments recognize the urgency and are increasingly relying on accelerated procedures. They adapt regulatory frameworks, promote investments and try to simplify processes.
But progress remains uneven. Different interests, complex responsibilities and local conflicts slow down many projects. Network expansion requires close cooperation between politics, business and society, which cannot be implemented smoothly everywhere.
Financing also represents a challenge. The expansion requires enormous funds that must be secured in the long term. Without clear strategies, projects quickly lose pace.
9. Technology helps, but does not replace cables
New technologies provide important impetus, but do not solve the basic problem. Storage systems can cushion load peaks, digital systems improve the control of power flows and international networking increases flexibility.
These approaches give the system more leeway, but reach their limits without sufficient network infrastructure. They complement the expansion, but do not replace it.
10. Infrastructure determines success
In the end, a clear connection becomes apparent: the progress of the energy transition depends directly on the performance of the networks. Without functioning transport routes, a large part of the energy generated remains unused.
Europe is therefore faced with a strategic task. If you want to achieve climate goals and ensure security of supply, you must consistently push forward network expansion. The infrastructure determines whether ambitious plans actually result in a stable and sustainable energy future.