A ground source heat pump is much more efficient than an air source heat pump. They can run off solar, but it requires a pretty big array. $0.26 / kWh is moderately high, but the brownout issue should seal the deal.
Steve Spence
Director, Green Trust
http://www.green-trust.org
> -------Original Message-------
> From: Robert Calvert <bob@abrollprod.com>
> To: wastewatts@yahoogroups.com <wastewatts@yahoogroups.com>
> Subject: [wastewatts] Solar roi
> Sent: 17 Aug '11 10:11
>
> I'm considering retiring to the Philippines with my wife it's still a few
> years off. I'm looking into things and electricity is as expensive as it is
> here on Long Island about $.26+ per kwh I'm seriously considering solar the
> biggest usage would Likly be ac. Nit sure if geothermal cooling would work
> there yet. At the $.26 per kwh how would I figure if the roi would be worth
> while. Also they have lots of brown/black outs there so thats also a major
> consideration.
>
> Thank you
> Bob Calvert
>
>
> This e-mail (including any attachments) is subject to the Electronic
> Communications Privacy Act, 18 U.S.C. §2510 et seq, and is intended for
> the exclusive use of the individual to whom it is addressed. This e-mail
> and information accompanying it is considered proprietary, confidential,
> privileged and/or exempt from disclosure. If you are not the intended
> recipient or the agent responsible for delivering the message to the
> intended recipient, any use, review, dissemination, or copying of this
> e-mail and any attachments is strictly prohibited. If you have received
> this e-mail in error, please immediately notify the sender by reply e-mail
> and delete this e-mail and any attachments from your computer. Your
> cooperation is appreciated.
>
No comments:
Post a Comment