This month, Enerparc AG entered preliminary insolvency proceedings. The Hamburg-based company is one of Europe's largest independent solar park owners and has developed gigawatts of solar capacity.
Earlier this year, the company had secured a major financing package to expand its solar and battery portfolio.
Enerparc is not alone. Several companies within the SOWITEC Group also entered insolvency proceedings this year.
These cases have different circumstances, and insolvency alone does not tell us what caused each company's difficulties.
But together they raise an important question for the industry:
What does a financially resilient renewable project look like in today's market?
The market around the asset has changed
For years, renewable project development focused heavily on producing more energy at lower cost.
That remains important.
But today's projects operate in a much more complicated environment.
Solar production increasingly coincides with periods of low or negative electricity prices. Grid constraints can limit exports. Curtailment affects revenues. Financing conditions have changed. Storage creates new opportunities, but also new technical and commercial decisions.
A project can therefore be technically excellent and still have a weak business case.
The question is no longer only:
How much energy will this asset produce?
It is also:
When will it produce, what will that electricity be worth, how much can reach the grid, and what return does the complete project generate?
More capacity does not automatically mean more value
Consider a solar project with a constrained grid connection.
Increasing DC capacity may increase annual generation.
But some of that additional generation could arrive during hours when electricity prices are very low. Some could be curtailed by the grid connection.
Adding a battery could capture part of that value.
But then new questions appear.