First the good news for wind advocates, this week, wind power broke 40% capacity factor for the first time since I began tracking it.Bad news, wind power fluctuated wildly across the week, rising as high as 922 MW and sinking as low as 5 MW. If we were only using electricity when the wind blows this wouldn't be a problem, or if we had another way of 'smoothing' out wind power across a week. But