Do you have a balcony facing south? You might be able to just buy some solar panels, a battery, and a microinverter and set it up on your balcony. You won't be

Do you have a balcony facing south? You might be able to just buy some solar panels, a battery, and a microinverter and set it up on your balcony. You won't be able to sell your electricity back to the grid, but you can perhaps greatly reduce the amount of grid electricity you use.