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Old 03-03-2014, 04:16 PM
 
Location: Florida Suncoast
1,823 posts, read 2,277,820 times
Reputation: 3046

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Quote:
Originally Posted by cagary View Post
Because the water in the stream runs 24/7/365. The sun on the east side? Twelve hours average per day with the strong possibility of many cloudy rainy days that hurt electricity production.

IF you've got the "right" stream, its a no brainer. Mini hydro systems are also a proven technology.

These people are helping me with mine in Pepeekeo.


hydro
It sounds like you have your alternative power solution with hydro power. I'm surprised you don't have to go through a bunch of government red tape that could add several tens of thousands to the cost.

The city where I live in does not allow residential roof top solar or wind power. the people that control our city seem to think solar panels on roofs is ugly and wind power is noisy. Or, maybe those in control of the rules and regulations have a vested interest in the public power utility company.
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Old 03-08-2014, 10:38 AM
 
Location: Puna, Hawaii
4,416 posts, read 4,908,923 times
Reputation: 8048
Quote:
Originally Posted by davephan View Post
Why not invest in a PV solar system? The technology is proven and they payback is about 5 years.
I'd like to see this $6000 PV solar system.
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Old 03-08-2014, 04:07 PM
 
Location: Hawaii-Puna District
3,752 posts, read 11,514,479 times
Reputation: 2488
Quote:
Originally Posted by luluhappygirl View Post
Thanks do you know any people who have the hydro power system or company that provide this kind of service?
Here is HELCO's link to their various Hawaii hydro power systems:

Hawaii Electric Light: Hydroelectricity

Here are the descriptions from the above link for the Hilo area power sites:

DESCRIPTION: HELCO owns and operates two hydroelectric facilities arranged in tandem along the lower reach of the Wailuku River near Hilo. The Waiau plant was constructed in 1920 and upgraded in 1947. The Puueo plant downstream was built in 1910 and upgraded in 1941. Penstocks (pipes that divert water to the plants) of both facilities were refurbished in 1998. Horizontal-axis, Pelton hydraulic turbines at each plant generate electricity.

DESCRIPTION: The Wailuku River Hydroelectric Power Company plant began commercial operation in 1993. It is located at the junction of the Wailuku River and the Kaloheahewa Stream. HELCO also receives power as available from smaller plants operated by the County Department of Water Supply, Wenko Energy Company, and various farms.

I know that there is a bed and breakfast place north of Hilo that also powers everything through their own hydro system, but cannot recall the name of it right now.
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Old 03-08-2014, 09:57 PM
 
181 posts, read 586,142 times
Reputation: 186
There's one guy on the island that charges his electric powered Nissan Leaf all night with the mini hydro system at his home and drives the car for "free" all day long.
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Old 03-17-2014, 08:06 PM
 
12 posts, read 16,167 times
Reputation: 13
Quote:
Originally Posted by mdand3boys View Post
Here is HELCO's link to their various Hawaii hydro power systems:

Hawaii Electric Light: Hydroelectricity

Here are the descriptions from the above link for the Hilo area power sites:

DESCRIPTION: HELCO owns and operates two hydroelectric facilities arranged in tandem along the lower reach of the Wailuku River near Hilo. The Waiau plant was constructed in 1920 and upgraded in 1947. The Puueo plant downstream was built in 1910 and upgraded in 1941. Penstocks (pipes that divert water to the plants) of both facilities were refurbished in 1998. Horizontal-axis, Pelton hydraulic turbines at each plant generate electricity.

DESCRIPTION: The Wailuku River Hydroelectric Power Company plant began commercial operation in 1993. It is located at the junction of the Wailuku River and the Kaloheahewa Stream. HELCO also receives power as available from smaller plants operated by the County Department of Water Supply, Wenko Energy Company, and various farms.

I know that there is a bed and breakfast place north of Hilo that also powers everything through their own hydro system, but cannot recall the name of it right now.
Mdand3boys Thanks for your reply, i will look into it. and if you recalled the name of the B&B, please let me know. Thank you very much!
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Old 04-17-2014, 07:53 PM
 
12 posts, read 16,167 times
Reputation: 13
Quote:
Originally Posted by mdand3boys View Post
Here is HELCO's link to their various Hawaii hydro power systems:

Hawaii Electric Light: Hydroelectricity

Here are the descriptions from the above link for the Hilo area power sites:

DESCRIPTION: HELCO owns and operates two hydroelectric facilities arranged in tandem along the lower reach of the Wailuku River near Hilo. The Waiau plant was constructed in 1920 and upgraded in 1947. The Puueo plant downstream was built in 1910 and upgraded in 1941. Penstocks (pipes that divert water to the plants) of both facilities were refurbished in 1998. Horizontal-axis, Pelton hydraulic turbines at each plant generate electricity.

DESCRIPTION: The Wailuku River Hydroelectric Power Company plant began commercial operation in 1993. It is located at the junction of the Wailuku River and the Kaloheahewa Stream. HELCO also receives power as available from smaller plants operated by the County Department of Water Supply, Wenko Energy Company, and various farms.

I know that there is a bed and breakfast place north of Hilo that also powers everything through their own hydro system, but cannot recall the name of it right now.
Thanks a lot! and we actually visited the engineer office that day and they gave me some papers and website to read. but i did not do it yet. Thanks again, after i read the pages they gave me i will get back here!
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Old 05-18-2014, 09:06 AM
 
Location: Seoul
59 posts, read 101,748 times
Reputation: 71
Quote:
Originally Posted by cagary View Post
There's one guy on the island that charges his electric powered Nissan Leaf all night with the mini hydro system at his home and drives the car for "free" all day long.
Is there much infrastructure around Oahu for electric vehicles? Like charging places at the office or shopping areas?
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Old 05-18-2014, 10:42 AM
 
Location: Volcano
12,969 posts, read 28,447,082 times
Reputation: 10760
Quote:
Originally Posted by seoulja View Post
Is there much infrastructure around Oahu for electric vehicles? Like charging places at the office or shopping areas?
My suggestion for the best response to your question, since this thread is about hydroelectric generation on the Big Island, is to start your own thread about electric vehicle infrastructure on the Oahu forum.

Also, using Search, you can pull up previous discussions on the subject, like this one...

https://www.city-data.com/forum/hawai...ade-aloha.html
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Old 05-18-2014, 10:32 PM
 
1,872 posts, read 2,816,953 times
Reputation: 2168
Quote:
Originally Posted by seoulja View Post
Is there much infrastructure around Oahu for electric vehicles? Like charging places at the office or shopping areas?
I saw this article a couple days ago.


Electric vehicle owners seeking more stations - Hawaii News Now - KGMB and KHNL
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Old 05-19-2014, 05:05 AM
 
Location: Chiang Mai, Thailand & Los Angeles, CA
74 posts, read 83,074 times
Reputation: 22
Quote:
Originally Posted by luluhappygirl View Post
we just move to the big island, hilo side, and on our land, there is a stream across it. as the electricity price is soooo high, at least much higher than Los angeles, we would like to set up an hydroelectric generator in the stream. if we do that, we have several questions do we need to get permit from the gov? if so, where should we register with?. If you could provide me some links that i should read thanks all the same!

Thanks in advance!


>>>>>> as the electricity price is soooo high <<<<<<


Have you met Electricity's brothers and sisters? When you do, you will rename Los Angeles "one-job-only city of angels"

Jesus was not married.



Sam Kinison - Jesus didn't have a wife - YouTube
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