The price-tag looks even heftier when the limited versatility and survivability of unmanned aircraft are factored into the life-cycle cost equation.

FORBES: The Revolution In Unmanned Aircraft Is Overrated

Offshore wind projects are evaluated in terms of their initial installed capital cost (ICC) as well as their life-cycle costs, which are often described as the levelized cost of energy (LCOE).

FORBES: Turn Baby, Turn - Offshore Wind Power Poised for Major Growth in U.S.