These days, it seems that one investment after another in renewable energy is being trumpeted. Will the market for sustainable infrastructures such as solar and wind farms become saturated at some point? Or is the sky the limit? We turn to Robert Szatkowski (Senior Portfolio Manager for Infrastructure at APG) for answers.
The average annual growth of investments in green energy was no more than a paltry 2 percent in the five years after the signing of the Paris climate agreement (2015). As of 2020, it rose to 12 percent. Still not enough to meet the targets set in Paris, but nonetheless a substantial increase.
Do you expect this growth to continue to increase, or will there be a kink somewhere?
“I think this growth will remain strong in the coming years. After all, there’s a movement towards more renewable energy everywhere. Renewable sources such as solar and wind energy are increasingly making our future independent of fossil fuels. Moreover, sustainable technology is still being developed, which means that investments in these types of projects remain attractive. What does pose a challenge is the capacity of the power grid, a common problem throughout Europe. Discussions about increasing this capacity keep popping up, partly because it requires huge investments from both governments and private parties. Unfortunately, to build up large power lines is time consuming and very few people want high-voltage cables in their backyard. In the Netherlands, an agreement has just been concluded between the government, the grid operator TenneT and the distribution system operators (Stedin, Enexis and Liander). These parties are prepared to invest billions in the energy network in the coming years, which should solve much of the current capacity problem in the Netherlands.”
Tapping into renewable energy sources requires huge investments. How long will those projects remain profitable?
“We expect the technological efficiency – the ability to convert the wind speed or solar radiation into Megawatt hour (MWh) produced – of these types of projects to keep increasing in the coming years. On the one hand, after the very difficult year 2022 with extremely high commodity prices and inflation, we see some potential for CapEx to stabilize again. In consequence, the cost of producing a MWh of energy from renewable source should be decreasing. On the other hand, profitability of each energy generating project depends on the power price. This has been extremely volatile over the last year, but is also stabilizing. In the case of renewables, the major question connected with the future power prices is the timing of the renewable energy supply. As the production depends on the availability of sun or wind, the supply side might not fully match the demand of power on the market and result in a negative pressure on the power price in particular hours.”
What might be a consequence of that?
“As a result, the so-called ‘captured price’ for renewable energy might be lower than the average market price. This effect might be mitigated by the development of energy storage solutions, being not only batteries but also hydrogen, biomethane or eFuels. For this reason, I am convinced that the long term success of renewables depends on the technological progress of such energy storage solutions. We will likely see less stand-alone PV or wind farms and more hybrid solutions including elements of energy storage. Also keep in mind that the profitability of energy projects is not decided by a few good or bad years. A project has a long technical lifespan. For wind energy, for example, it’s 30 to 35 years, for solar energy about 40 years and for hydro up to 100 years. We’re talking about a very long-term horizon here.