Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

I don't think you can look at it that way, since the asset (the solar array) is depreciating. You can't get that return for ten years, then get your money back to invest elsewhere. It would be more appropriate to view this as a payback period. The time for the savings to cover the cost of

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

On Sep 22, 2015, at 1:52 PM, Lee Hart wrote: > Ben Goren via EV wrote: > >> Not just current state of the art...it's never going to be practical >> for the four-door five-passenger freeway sedan that dominates the >> roadways; there just isn't enough insolation. > > I

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

> Sounds like yearly payback is somewhere between $10.00 and $40.00. > Sounds kind of small for an investment of more than $1000. That's 1% to 4%. Better than most banks. And FAR better for the future since it displaces X amount of coal burning. So if it is equal or better than most other

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

On Sep 22, 2015, at 9:55 AM, Robert Bruninga via EV wrote: > That's 1% to 4%. Better than most banks. And FAR better for the future > since it displaces X amount of coal burning. If that's your goal, _far_ better to put the panels on your rooftop and backfeed into the grid

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

Most investments pay more than that. Using bank interest as an indication in this low interest rate environment isn't appropriate. Sent from my iPhone On Sep 22, 2015, at 9:55 AM, Robert Bruninga via EV wrote: >> Sounds like yearly payback is somewhere between $10.00 and

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

On Sep 22, 2015, at 11:46 AM, EVDL Administrator via EV wrote: > The autonomous onboard-PV EV is a sweet dream. Who wouldn't love to drive > on pure sunshine and never have to fuel up or plug in? But at the current > state of the art, that's your heart talking, not your

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

-Original Message- >> That's 1% to 4%. Better than most banks. And FAR better for the >> future since it displaces X amount of coal burning. > I'll bet a cup of coffee that stationary panels going to a set of batteries used as a dump pack for the golf cart would still financially

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

On Sep 22, 2015, at 12:12 PM, Robert Bruninga via EV wrote: > Only if the Golf Cart and dump-pack are FULLY discharged every day. Hmmm...I don't think that's quite right, but the basic point you make is a good one. If the car has, say, a 300 mile range, and the fixed

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

On 22 Sep 2015 at 11:28, Ben Goren via EV wrote: > carting the panels around with you is the most over-the-top wasteful > way to get to a "green" car. It worsens your vehicle's aerodynamics, too. Not only are you wasting energy you could harvest by leaving the PVs at home, you're also

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

Let me take the math another direction. It looks like David calculated a net gain of about 84,000 Wh per year. Let's round that up to 100,000 Wh per year. That is 100 kWh. Assuming electricity costs somewhere between $0.10 and $0.40 per kWh. Sounds like yearly payback is somewhere between

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

of this message is prohibited. -Original Message- From: EV [mailto:ev-boun...@lists.evdl.org] On Behalf Of Robert Bruninga via EV Sent: Tuesday, September 22, 2015 12:13 PM To: Electric Vehicle Discussion List Subject: Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it wo

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

It’s an interesting problem that I believe has a moving target since in some places you get paid retail for your excess electrons but in other jurisdictions you get paid a fraction of retail. The power companies if they had their way would pay a pittance for your excess and then sell you back the

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

EVDL Administrator wrote: The autonomous onboard-PV EV is a sweet dream. Who wouldn't love to drive on pure sunshine and never have to fuel up or plug in? But at the current state of the art, that's your heart talking, not your head. Ben Goren via EV wrote: Not just current state of the

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

On 22 Sep 2015 at 15:12, Robert Bruninga via EV wrote: > People forget that battery systems are not only very inefficient ... Doesn't that depend on how you use them? For example, lead batteries are very close to 100% efficient between 0% and 80% SOC. Virtually all of the energy goes into

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

ptember 22, 2015 4:12 PM To: Electric Vehicle Discussion List Subject: Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it? Bob, I think the comparison of dump pack versus roof mounted option was comparing a house mounted solar+dump solution to a *car*roof mounted solar

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

On 22 Sep 2015 at 19:35, Robert Bruninga via EV wrote: > Yes, but a grid-tied solar system does not need a "dump battery" so that > is a 100% wasted investment. Just charge from the net-metereed solar > system as is. Barring an unlikely major change in America's political system that vastly

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

: Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it? On 09/22/2015 09:19 AM, EVDL Administrator via EV wrote: > On 22 Sep 2015 at 3:50, brucedp5 via EV wrote: > >> ? Is this a useful product worthy of the co$t, or is it a profitable >> feel-good add-o

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

-- Original Message -- From: "EVDL Administrator via EV" <ev@lists.evdl.org> To: "Electric Vehicle Discussion List" <ev@lists.evdl.org> Sent: 22-Sep-15 6:19:43 AM Subject: Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it? O

[EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

? Is this a useful product worthy of the co$t, or is it a profitable feel-good add-on for bragging-rights ? http://americancityandcounty.com/green/panels-deliver-solar-power-vehicle-lineup-related-video Panels deliver solar power in vehicle lineup (with related video) Sep 21, 2015 [image

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

On 09/22/2015 09:19 AM, EVDL Administrator via EV wrote: On 22 Sep 2015 at 3:50, brucedp5 via EV wrote: ? Is this a useful product worthy of the co$t, or is it a profitable feel-good add-on for bragging-rights ? What it MIGHT do that's potentially at least as useful -- IF you park mostly

Re: [EVDL] Light-weight 100W PV roof panel for 48V e-carts> ?Is it worth it?

On 22 Sep 2015 at 3:50, brucedp5 via EV wrote: > ? Is this a useful product worthy of the co$t, or is it a profitable > feel-good add-on for bragging-rights ? Much of the answer is right in the story: > As a yearly average, the system generates 29 percent of the total energy > required to