Diploma thesis solves the problem of design and economic analysis of forestry projects for the production of biomass for energetic purposes. Its aim is formulated in a project bark ensure its profitability in terms of biomass production uncertainties and risks destroying plantations of extreme droughts. The introductory part contains a general description of the site and the conditions of effective planting fast-growing trees and SWOT analysis of the project of energy plantations. Another section describes physical inputs and outputs of the project and their valuation. Based on these indicators is calculated economic efficiency of the project. Diploma work also includes analysis of risks destroying plantationsof extreme droughts in which we find out whether the project is viable at risk of extreme drought.