Glad you brought that up. I didn't feel like posting again on the same
issue but now I will. The down side you mention is a biggie only
leaving you 40% to use. This comes with a lower starting voltage thus
requiring more amps to push the boat at the same hull speed. Should you
have spent a couple of hours getting to the boat you must go out, right?
The delema being that last part of topping off a battery with portable
generator are the most wasteful, and likely to use up any savings on the
grid.
If every electric car owner would treat their house energy use, the way
we treat energy on the boat, the grid would no longer be in trouble.
When I lived on the boat a 45W panel and wind generator (not worth much
in Newport Beach CA) filled most of my house needs. In one year I ran
only one gallon of gas through my honda i1000, much less than any house
dweller uses. This savings can go a long way towards feeding the drive.
Kevin Pemberton
aweekdaysailor wrote:
>
>
> I think there's some mis-understanding. The money in this comes not
> from power generation, but from the storage capacity. Storage capacity
> allows the grid to even out demand to supply and saves billions in new
> power plant construction if adopted at scale. There are some articles
> out that explain the economics - basically the power-plants buy an
> option on your storage capacity - they may not use it, but they have
> the right, and you get a monthly stipend.
>
> The same tech that would allow cars to participate should work for
> boats just as well. Lots to work out, signalling, reliability, etc...
>
> The downside is you may be missing some charge the morning you thought
> you were going to take your boat out (but it's like...10%)
>
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