This post grows out of some remarks exchanged with a UK household. UK folk (like US folk) are notorious for overriding their home heating automatic controls, generally a waste of energy. In this post, we’ll examine the economics of Dominion’s Time of Use home electric tariff supplying energy for our dual fuel heat pump plus gas furnace home heating. This analysis will examine energy use of two strategies, burn natural gas myself or let Dominion Electric Power burn gas and deliver electricity.
Of necessity, this is a somewhat complex topic that is influenced by local climate, the local utility, and the scheming of the local legislature. In the US, a mix of Federal and State law govern electric power but building codes are local. Here in Virginia, our winter climate is similar to that in much of the UK (0C to 10C daily swing).
In this analysis we looked only at utility steam-electric power as the best home heating and cooling options for our region are electrically operated. Home photovoltaic power is becoming increasingly common in our region but its use for home heating and cooling would require high-end equipment with storage.
Dismal Manor Dispatches 
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