... Battery storage on the other hand would perhaps be suitable for most households ... How do they compare to say an immersion hot water tank?
Although heating the tank is a useful way of storing excess energy, there's not much you can do with it once it's hot (other than have lots of hot baths) whilst batteries can be used to power lots of devices.
Though I guess c/h valve/pumps etc could be altered to recirculate the water through the c/h system in the winter, maybe?
From the web...
To heat a standard hot water tank to 60 degrees Celsius from a typical starting temperature (e.g., 20 degrees Celsius), you'll need approximately 14 kWh of energy per 300 liters of water. (assuming a 100% efficient heating system)
Current Eon Next customer, ex EDF, Zog and Symbio. Don't think dual fuel saves money and think the smart meter programme is a waste of our money. Chronologically Gifted. If I offend let me know by private message, but I’ll continue to express my opinions nonetheless.
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