More relevant would be what is the round trip efficiencies of the various battery types and which is more relevant for on and off grid applications. Also, the critical temps that each becomes not worth mucking around with. Also the realistic capacities and dod cycles for the above, at all the practical operating temperature range efficiencies not the bs ones that the battery salesmen tell you.(m#sk b yd etc) Then add that to the line losses for transmission lines, in conjunction with your sacred wind mills, make sure you include the figures for aluminium as well as copper in the wet as well as in the dry and the hot and the cold and why this is even relevant, bearing in mind that wind farms can not be near the load like nuclear can. What is the energy density of wind compared to nuclear. Hint once you get this far in your research you will understand why wind has a snowflakes chance in hell of competing with nuclear.
