What do hormones in the kidneys?

Hormones produced by Kidneys include Erythropoietin that stimulates the bone marrow for formation of Red Blood Cells (RBCs), Calcitrol: Controls metabolism pf Calcium and Phosphates and Renin: involved in BP Regulation by influencing Aldosterone and ADH ( Anti Diuretic Hormone) that maintains Electrolyte Levels by stimulating water conservation.