From <a href="http://www.nakedcapitalism.com/wp-content/uploads/2011/10/Screen-shot-2011-10-31-at-4.38.15-AM.pngIntroductionOne">http://www.nakedcapitalism.com/wp-content/uploads/2011/10/Screen-shot-2011-10-31-at-4.38.15-AM.pngIntroductionOne</a> way to measure the effect of adding various types of renewable energy is to do a Life Cycle Analysis (LCA) on the product.