If you just need the energy for the pool, a small setup without battery is all you need. Saves you half the price. Panels and inverters are around 900€ in Germany. Putting a battery on it makes another 1,200€ and it makes sense only, if you need power in the evening.
Sure, and the successor won’t become corrupt when owners, industrials and richs hand over some envelopes to make things faster. Two years and 8 envelopes later, he will take it as all his peers do as well.