A reader asks “what’s changed over 11 years” in defending citation of a blogpost from 2012. Well, one thing is “costs”, as technology and equipment have evolved. From NREL (2022). {chart} Battery storage costs are also coming down fast, as discussed in this post. Here’s a graph showing the evolution of capital costs and projections from NREL (2021). {chart} So, what’s changed since 2012. Not sure, but a lot’s changed since 2015. Costs of production and storage of energy from wind is way down. Presumably, incorporating the insecurity of supply from natural gas and/or oil are still high or possibly rising (due to ... (full story)