Your expert for questions
Heiko Stohlmeyer
Director, Renewable Energies at PwC Germany
Tel: +49 171 3344297
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Solar energy – or photovoltaics (PV) – has become a central pillar of renewable energies in Germany and plays a key role in the country’s energy transition. Germany has made considerable progress in the expansion of solar energy in recent years and is now one of the world’s leading countries in this field. Germany’s Renewable Energy Sources Act (EEG) has been a key instrument in providing financial support for solar energy systems, further strengthening the economics and acceptance of this sustainable energy source. Solar energy therefore has a key role to play in reducing CO2 emissions and switching to climate-friendly power generation in Germany. However, there are several technical, economic, legal and tax issues that need to be addressed before a photovoltaic project can be successfully implemented.
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PwC has been successfully advising its clients since the beginning of the photovoltaic boom in 2008 against the backdrop of a constantly changing legal framework. Our services range from strategy development to execution. We prepare market potential analyses, profitability calculations and financing models. When buying or selling projects, you can also rely on our many years of experience in due diligence and transaction services. Or you can draw on PwC’s extensive expertise in conceiving, financing and implementing new business ideas.
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Solar energy in Germany is already making a significant contribution to diversifying the energy mix, reducing greenhouse gas emissions, lowering electricity costs, and strengthening the resilience and independence of the energy supply. The Renewable Energy Act (EEG) plays a central role by providing financial incentives for solar power generation and promoting the integration of solar installations into the national electricity grid.
One of the key challenges for the solar energy sector is the increasing simultaneity of electricity generation, particularly in regions experiencing rapid expansion and overloaded electricity grids. This is leading to a decline in market value of solar power and creating additional requirements for grid expansion and system integration.
The development of efficient storage technologies and smart grid infrastructure is therefore essential to enable the necessary expansion of solar energy and balance fluctuations in the power grid. In this context, the optimal configuration of solar installations and battery energy storage systems (BESS) is growing increasingly important. Combining electricity generation, storage, and flexible grid feed-in allows such hybrid installations to align the supply of solar power more closely with demand. This in turn mitigates peak loads and facilitates the integration of renewable energy into the electricity system.
Furthermore, the regulatory framework is constantly evolving. Changes to the Renewable Energy Act (EEG), new requirements for innovative plant designs such as agri-PV, and adjustments to the subsidy and tendering systems all influence the planning, financing and implementation of solar projects. It is therefore essential for project developers and investors to consider regulatory developments in their planning at an early stage to ensure the long-term viability of their projects.