2023-08-13 InvestementCalculator_v3 HeinrichHartmann.com Investment Calculator - Solar Plant¶Stemwede, 2022-08-13 This blog post contains a re-usable "calculator notebook" that can be used to model financial investment. The example use-case we demonstrate in this note, is a Solar Plant with the following parameters: 20,000 EUR are the costs of the system (INV_AMOUNT) 1,520 EUR are the annual returns (INV_ANNUAL_RETURN) 20 years expected lifetime the system (INV_LIFETIME) The question we seek...| Posts on HeinrichHartmann.com