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Interesting. I think I would still be interested in the total energy held by the battery, plus the amount it is expected to degrade year on year. I'm still not
by osrec 4y ago
Interesting. I think I would still be interested in the total energy held by the battery, plus the amount it is expected to degrade year on year.
I'm still not sure why you say Wh/y would be a more appropriate unit, given that it would change as the battery degrades.
- atwood22 4y agoWatt hour is a unit of energy. Energy is the capacity to do work. When the batter leaves the factory, it is empty. It has no energy, but it can hold energy if you give it some. It's like if you produced gallon-sized plastic water jugs. Let's say you made 1000 a day. Would it be accurate to say you produced 1000 gallons of water a day? No, you produced 1000 empty jugs.
- jupp0r 4y agoBatteries are charged when they leave the factory. Besides that 1000 gal/d of storage capacity in your example is a valid unit for specifying factory output, is it not?
- atwood22 4y agoYes, "1000 gal/d of storage capacity" is valid. "1000 gal/d" is not. Even if you used 1000 gal/d colloquially, you would have been talking about the capacity of the bottles. The misconception you're having here is that "GWh of storage" is the volume of the bottle. You're interpreting it as "GWh", which in the bottle example would be like saying "They produce 1000 gallons of water / d".