However, as revamping and repowering must be completed while solar projects are connected to grids and in commercial operation and will involve the replacement of older components with cutting-edge technologies, such work can be highly complex.

“It is a business which keeps evolving, year after year,” said Charlemont. “It is important to understand that revamping and repowering is a complex construction business. It is not a quick fix, where you go in, replace a few components, and you are done.”

“We are an EPC, by doing engineering, procurement, contracting [and] construction, but with the added value of doing all that in the context of an existing plant on top. It is a new discipline, and that is what brings this complexity to the table.”

Charlemont also noted that the picture is muddied further by the range of policy frameworks across the regions in which BayWa r.e. operates, including Germany and France, which add complexity for companies keen to engage in value-added EPC work.

However, Charlemont also suggested that the potential value of modernising existing solar projects, and taking advantage of project components such as land and grid connections, means that there is likely to be a “huge wave” of interest in revamping and repowering, despite these complications.

“Plants [that are not revamped] will need to be dismantled at the end of their designed life; what remains is a piece of land, for which a building permit has already been established and a grid connection,” said Charlemont. “This will trigger a new momentum that will be the huge wave of repowering; building a new plant where there has been one previously.”

Read PV Tech Premium’s full interview with Charlemont here.