"...... in what time frame would the company most likely peak in...

"...... in what time frame would the company most likely peak in value before commencing a long steady decline that I presume will happen in the years ahead once the demand for new installs eventually starts to decline."

With the world population set to hit 9 or 10 billion by 2050, water usage per capita across the world growing year on year, water sources the world over becoming more polluted every year and current water treatment infrastructure in some areas becoming delapidated and inefficient, it's hard to see a company such as Fluence having a decling revenue anywhere in the next decade.