Quote:
Originally Posted by GreenZLE
Feeding power back into the grid during an emergency might be attractive but I cant see it being a great up front sell. There's energy loss when charging those batteries and energy loss when they feed it back in. The power company would have to pay a ?% premium for taking that energy back or its a huge net loss for the truck owner.
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Electricity prices in my area range from $0.127/ kWh off-peak to $0.2495/ kWh at peak and $1.03 during critical load times. What the garbage truck fleet is saying is they can charge off-peak, use approximately 40% of the charge on a typical run, then return to the garage during peak hours and put some of the energy back into the grid. Suppose they only get @0.15/kWh fo the energy they return to the grid. It’s still $0.023 more than they paid. Then when rates shift to off-pea, they can charge the vehicle again at $0.127/kWh. When it all washes out, it’s a net positive.
Got to 3:50 of this video and you can see a better description of how this works plus a real world example where a school bus fleet nets $10k per bus doing this exact thing.
https://youtu.be/gtzMhQtl364?si=iLdOWeWp4DvnW5_M
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