sure it is like i make it sound … can you depend on that power during those days ? yes or no … the answer is no, so to fix that they take it from somewhere else, why ? because it’s not sunny that day … why it’s not sunny ? because it’s snowing… ok, so what about tomorrow? well there will be snow covering the panel tomorrow… ok so take power from somewhere else to feed where these panel are suppose to feed plus power to warm up the heat trace … The only point I am making and how this whole conversation started is you can’t fully depend on solar or wind electricity … you just can’t … why ? because it depend on mother nature to continually provide for it … so it can only be part of 10 to 20% of the system (page 20, I don’t see the post # for some reason ) and yes I look at it on its own, because that’s how you have too look at it for the whole system to work 365 days per year each link as to be able to produce… not saying solar is bad I am saying you can only depend on it at a low percentage … Germany tried it and as a result they created more pollution then if they would’ve stick to natural gas … why because during these days they had to fired up their coal plant that was over 50 years old so people could have electricity.