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Substitute for national grid or heavyweight solar with: | Substitute for national grid or heavyweight solar with: | ||
* | * One 80 watt panel per 40 households, connected to a 15 minute AA battery charger (e.g. the new generation Rayovacs) | ||
These items connected into a "power pillar" - a walk-up charging station where people come with their empty NIMH batteries, drop them into the charger, wait 15 minutes, then take them home. Assuming a 10 hour charging day, that services 40 sets of batteries. | These items will be connected into a "power pillar" - a walk-up charging station where people come with their empty NIMH batteries, drop them into the charger, wait 15 minutes, then take them home. Assuming a 10 hour charging day, that services 40 sets of batteries. | ||
Applications for this system include: | |||
* [[ | * [[Lighting]]: [[Cold_Cathode_Fluorescent_Lamps|cold cathode fluorescent lights]] (see: http://ledmuseum.candlepower.us/dbright.htm ), LED headlamps, etc. | ||
* | * Communication: cell phone chargers, FRS-type radios, other battery powered radios etc. | ||
* | * Entertainment: pretty much any general purpose device can be found in a AA configuration, like televisions (http://www.amazon.com/Casio-TV-980-2-3-Portable-Color/dp/B0000CGCCM) | ||
* | * Wood [[gasification]] stove (see below) | ||
What won't work: | What won't work: | ||
Heavy-draw mains appliances (toasters, video projectors) | *Heavy-draw mains appliances (toasters, video projectors) | ||
Financial model: | Financial model: | ||
* $400 for the panel, $100 for the charger and pillar. ($12.50 per | * $400 for the panel, $100 for the charger and pillar. ($12.50 per household) | ||
* $10 for 4 fast charge AA batteries for each | * $10 for 4 fast charge AA batteries for each household. | ||
* $10 or less for each lighting unit. ($32.50 total) | * $10 or less for each lighting unit. ($32.50 total) | ||
$50 per household should comfortably buy everything required for basic electrical services. A bare bones system (lighting and stoves only) would be less than $20 per household because the panel could be split between 80 - 120 households. | $50 per household should comfortably buy everything required for basic electrical services. A bare bones system (lighting and stoves only) would be less than $20 per household because the cost of the panel, charger and pillar could be split between 80 - 120 households. | ||
[[Category:Hexayurt project]] | [[Category:Hexayurt project]] | ||
[[Category:Solar]] | [[Category:Solar]] | ||
Revision as of 22:36, 28 August 2010
Substitute for national grid or heavyweight solar with:
- One 80 watt panel per 40 households, connected to a 15 minute AA battery charger (e.g. the new generation Rayovacs)
These items will be connected into a "power pillar" - a walk-up charging station where people come with their empty NIMH batteries, drop them into the charger, wait 15 minutes, then take them home. Assuming a 10 hour charging day, that services 40 sets of batteries.
Applications for this system include:
- Lighting: cold cathode fluorescent lights (see: http://ledmuseum.candlepower.us/dbright.htm ), LED headlamps, etc.
- Communication: cell phone chargers, FRS-type radios, other battery powered radios etc.
- Entertainment: pretty much any general purpose device can be found in a AA configuration, like televisions (http://www.amazon.com/Casio-TV-980-2-3-Portable-Color/dp/B0000CGCCM)
- Wood gasification stove (see below)
What won't work:
- Heavy-draw mains appliances (toasters, video projectors)
Financial model:
- $400 for the panel, $100 for the charger and pillar. ($12.50 per household)
- $10 for 4 fast charge AA batteries for each household.
- $10 or less for each lighting unit. ($32.50 total)
$50 per household should comfortably buy everything required for basic electrical services. A bare bones system (lighting and stoves only) would be less than $20 per household because the cost of the panel, charger and pillar could be split between 80 - 120 households.