Solar System for Home

Blister

Well-Known Member
Not quite correct. This is true of automotive type lead acid batteries. Industrial batteries such as those used by the telephone companies and electric utilities with proper maintenance, will last an average of twenty years. I have seen many banks with over forty years of service. The key is proper maintenance, and testing to ensure that the battery bank will perform when needed. Like any electrical or mechanical device batteries have a finite life span that can be lengthened or shortened by how they are treated.
 

GURPS

INGSOC
PREMO Member
a bank of massive 2V batteries daisy chained into 12 / 24 / 48 volt banks would be awesome
 

mamatutu

mama to two
Thank you. I'll be on the lookout for your post if you are able to get the information.

Sorry, swn, but there is no business sign in the yard where this solar panel system is being put in. The panels are done, and they are now digging the trench to run the wires. Quite a setup! I wanted to knock on their door, and ask, but I couldn't bring myself to do that! I am sure people have, though.
 
Sorry, swn, but there is no business sign in the yard where this solar panel system is being put in. The panels are done, and they are now digging the trench to run the wires. Quite a setup! I wanted to knock on their door, and ask, but I couldn't bring myself to do that! I am sure people have, though.

Thank you so much for checking it out for me. I live in St. Mary's, but I may have to cross the bridge and take a look. :)
 
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czygvtwkr

Guest
Not quite correct. This is true of automotive type lead acid batteries. Industrial batteries such as those used by the telephone companies and electric utilities with proper maintenance, will last an average of twenty years. I have seen many banks with over forty years of service. The key is proper maintenance, and testing to ensure that the battery bank will perform when needed. Like any electrical or mechanical device batteries have a finite life span that can be lengthened or shortened by how they are treated.

Are those the batteries where you change out the electrolyte every so often? I seriously doubt a homeowner would want or even should do this, not to mention the hazmat disposal involved.
 

Larry Gude

Strung Out
Not quite correct. This is true of automotive type lead acid batteries. Industrial batteries such as those used by the telephone companies and electric utilities with proper maintenance, will last an average of twenty years. I have seen many banks with over forty years of service. The key is proper maintenance, and testing to ensure that the battery bank will perform when needed. Like any electrical or mechanical device batteries have a finite life span that can be lengthened or shortened by how they are treated.

FWIW; My uncle has replaced his batt bank once in 18 years.
 

dgates80

Land of the lost
Are those the batteries where you change out the electrolyte every so often? I seriously doubt a homeowner would want or even should do this, not to mention the hazmat disposal involved.

Most solar setups are "grid-tied" and do not have batteries at all. Grid tied so the system can feed power into the grid and get paid for it, as the utilities are required to do this by law (no so in all countries, but true here in the USA!).

Meter runs backwards!

My buddys system reduces his former $300 electric bill to about $100 after lease costs etc. the whole thing is set up so everybody wins, everybody makes money. The biggest thing is actually getting the equipment, there is a shortage of panels!
 

black dog

Free America
The man who owns The Greenery in Hollywood has a solar in his home. He has had it a few years now. Stop in the nursery and talk to him.
 

Bonehead

Well-Known Member
Grid tied systems don't make sense to me as they are not independent. Isn't independence from the grid the goal of a solar system ? In my mind it is. I don't think that most people would be capable of industrial battery maintenance. Just the hydrogen gas produced while charging alone would be an issue. There are many battery types if you have deep pockets.
 
Grid tied systems don't make sense to me as they are not independent. Isn't independence from the grid the goal of a solar system ? In my mind it is. I don't think that most people would be capable of industrial battery maintenance. Just the hydrogen gas produced while charging alone would be an issue. There are many battery types if you have deep pockets.

Not really. Main goal is reduced operating costs. Using a grid-attached system with no batteries is less expensive to install than a battery based system, and lowers your electric costs by a significant amount by selling unused power back to the grid.

A standby genny is still a better deal for emergency backup power.
 

Bonehead

Well-Known Member
I agree with the backup genny but long term > a day or so a battery system with a home setup for 12 volt lighting etc. would be ideal.
 
I agree with the backup genny but long term > a day or so a battery system with a home setup for 12 volt lighting etc. would be ideal.

That would be a personal decision, whether to purchase (or lease) the batteries and charging equipment, maintain it, be prepared for the cost of replacing batteries after x years, vs the number of days you might be down. Unless you are in the middle of nowhere and it takes weeks to get power restored, the number of down days doesn't justify the cost.

A genny is one initial cost outlay, sits there waiting with little or no maint, plugs in and turns on on a moment's notice.

There is also nothing to prevent you from having both: a solar system grid-attached to reduce costs, and a genny backup for extended outages.
 

dgates80

Land of the lost
Grid tied systems don't make sense to me as they are not independent. Isn't independence from the grid the goal of a solar system ? In my mind it is. I don't think that most people would be capable of industrial battery maintenance. Just the hydrogen gas produced while charging alone would be an issue. There are many battery types if you have deep pockets.

No, it is not at all the goal. At all. Grid tied equals money that makes it cost effective in the first place.
 
This is pretty neat, If I ever get that house out in the woods with a large detached workshop like I want I will probably build something like this to heat the workshop. Too many trees around my house for this to work now. But is is infinitely cheaper than active solar energy.

MAKE | "The Solar Parasite" Window Box Heater – Tiny Yellow House

That is pretty cool, and simple!

I had seen an expanded version of that where the warm air was fan-forced over a rock bed under the ground, heating them up. The same fan would push cool air over the hot rocks and warm a room at night.
 
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czygvtwkr

Guest
That is pretty cool, and simple!

I had seen an expanded version of that where the warm air was fan-forced over a rock bed under the ground, heating them up. The same fan would push cool air over the hot rocks and warm a room at night.

Know someone who heats their garage out of one they made from some clear plastic sheeting and a trash bag, it is pretty ghetto but it does add some significant warmth to the garage.
 
Here is a wrench thrown into the mix to consider... the less folks are paying the electric company for their wattage, the less money is available to support the maintenance and upgrades of the grid's infrastructure.

Some Vt. utilities try to put brakes on solar boom - Yahoo! Finance

The Shumlin administration, lawmakers and Vermont's largest utility have been cheering the arrival of solar energy and "net metering" on Vermont's electrical generation scene, while smaller municipal and cooperative utilities have been pushing back.

Net metering allows owners of solar and other renewable power generators to put their excess power on the grid and run their meter backward, reducing their monthly power bills, sometimes to zero.

That's the rub for Washington and some other smaller utilities. They say that when net-metered customers stop paying, others are left to cover the costs of maintaining poles, wires and other operational costs. It's a warning some made during legislative debates at least as far back as 2008.

The announcement from Washington that as of Oct. 1 it would no longer take energy from residential solar systems larger than 5 kilowatts stunned renewable energy advocates who have long admired the East Montpelier-based co-op's pursuit of renewable sources for its power.

Washington officials, like those at the Johnson-based Vermont Electric Cooperative and the municipal electric department in Hardwick, say they worry that allowing some customers to roll their meter back to zero will leave others picking up the utility's fixed costs — sending crews out to fixed downed power lines in storms, running a billing department and the like.

Not collecting those costs from all members "results in a cost shift to those members without net metered installations," Washington's general manager, Patricia Richards, said in an email. "As a not for profit electric utility, which is owned by our members, our only recourse for recovering insufficient revenue is to increase rates."
 
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