There’s an element of cost and an element of reducing our footprint here.

Be that as it may we are going for a 10 kW array and 24 kWh battery so I’m hoping we can do the heating on our own juice in all but a couple of months. At least if my calculations hold.

But I’m sending four kids into the world. I’d like to do my bit to avoid making it worse for them, so it’s ok if it all together ends up costing over the next 5-6 years.