Southern Indiana Renewable Energy Network

 

The list below provides details of SIREN projects:

The list is divided into the following sections: Photo Voltaic (PV), Hot Water, Hot Air, and Misc.

PV Systems

1. The Bloomington Eco Center PV System

System Status:    In Production/Operational

System Type:   PV-Grid-Tied

System Capacity:   0.5 kilowatt

Click here to view the Diagram and  Photos: 1, 2, 3, 4, 5, 6.

Specific Components:
(3) - 175 Watt SolarWorld Panels: ($2,350  + $150 shipping = $2,500)
(1) - 1100U- Watt Sunny Boy inverter: ($1,350 + $50 shipping = $1,400)
Labor to install, test, PV system in accordance with the 2005 National Electric Code 690 guidelines to photovoltaic systems, ($760)
(1) - Uni-Rac - S-5 - Mounting System- rails, clips, grounding lugs, stainless steel hardware: ($300 + $80 shipping = $380)
(160 ')  8 gage TWHHN wire, (80') #6 bare ground wire:
($280+$30 shipping = $310)
(1) - DC  disconnect  ($140+$12 shipping=$152)
Electrician to wire AC breaker and AC disconnect ($120)
80' 3/4" metal conduit, (5) 3/4LB's, (5) 3/4" connectors, pull box, lugs, grounding clips, mounting straps, ($100)
1 - AC disconnect ($60)
misc. hardware, drill bits, connectors, tape, caulk, glue, mounting screws ($40)
Weather proof labels / system labeling - ($28)
Total cost: $5850

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2. The Usrey Farm PV System

System Status:    Activated in January 2009

System Type:   PV-Grid-Tied

System Capacity:   1.17 kilowatt

Click here to view the Photos: 1, 2, 3, 4, 5, 6.
Summary: The panels for this system were installed by the members of SIREN at the direction of Alex Jarvis of Solar Systems of Indiana.


Specific Components:
(6) - 195 Watt Sanyo Panels
(1) - 3000US Sunny Boy inverter
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3. The Dick Stumpner PV System

System Status:    Activated in January 2009

System Type:   PV-Grid-Tied

Click here to view the Photos: 1, 2, 3, 4, 5, 6. 7, 8.
Summary: The panels for this system were installed by Dick Stumpner with a little bit of help from the members of SIREN. The roof and the inverter have the capacity for additional panels to be added. In testing on cold winter days, the system achieved 1.765kWatts, which is even higher than the rated output of the system.  


Specific Components:
(10) - 175 Watt Mitsubishi Multi-crystalline Panels
(1) - Xantrex 2800 Watt Grid-Tied Inverter

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4. The Morton Solar & Wind Portfolio

Click here to see several of MSW's Solar and Wind installations

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5. The Peter Kienle Residence

Click here to read all about Peter's system

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Solar Hot Water Systems

1. The home of Jack Urrutia and Karisha Kirk

System Status: In operation since October 10th, 2008

System Type: Closed Loop Hot Water

Click hear to read about the installation. Click here to see photos: 1, 2, 3, 4, 5, 6

Summary: This is a closed loop system that circulates propylene glycol through the collectors and then through a heat exchanger which in turn heats water.

 Specific Components:

(3) Collectors measuring 20" by 72"

(1) Pressure valve set for 150PSI

(2) 10 Watt PV panels

(2) DC power pumps

(1) Pressurized expansion tank

(1) "Power Rod" heat exchanger 

(1) Pressure gage

Misc.: 1/2" soft copper tubing, brass compression fittings, pipe insulation, and 4 gallons of Propylene Glycol.

System Cost*: $2,865 - purchased from www.solarroofs.com 

*Cost includes shipping, but excludes some extra copper tubing, pipe insulation, and glycol.

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2. The Mann Plumbing Portfolio 

Click here to see several of Mann Plumbing's solar installations

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Solar Hot Air Systems

1. The home of Darrell and Kathleen Boggess

System Status: In operation since 1986

System Type: Force hot air

Click here to see images: Solar Collector Front 1, 2, 3; Solar Collector Back 1; Air Ducts 1, 2.

Our solar heating panels (80 sq ft yielding about 10,000 BTU) were installed in 1980 on the south end of the house and mounted at 60 degrees to optimize winter performance.  We have a bi-level style house, so the hot air inlet duct is split to go to both levels.  The return duct is through the attic from the north end of a hallway.  An ultraviolet light in the ducts keeps the air smelling fresh while a small fan provides circulation.

It's like a solar heat pump with a constant flow of 80 to 100 degree air for six or eight hours of sunlight.  When the house gets too hot in spring and fall weather, a separate thermostat turns off the system.  On cold sunny days regardless of the outside temperature, the house is kept warm and the furnace does not run during the day.  The only maintenance is to replace the air filter every few months and keep the glass panels clean.  Our gas bill for heating a 2400 sq ft house with an 80,000 BTU gas furnace is about $500 for the six month heating season.

The link below shows a modern version of a similar system:

http://www.rreal.org/SPF
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 2. The home of Jack Urrutia and Karisha Kirk

System Status: In operation since October, 2008

System Type: Forced Hot Air

Click here to read about the installation. Click here to view photos: 1, 2, 3, 4, 5, 6

Summary: This system draws cold air out of the house and into the panels where it is heated and then forced back into the house with the use of small fans. Small thermal switches monitor the heat of the panels and turn the fans on or off when appropriate. Read about the installation for all the details.

 Specific Components:

(3) Collectors measuring 36" by 96"

(2) 120mm 12VDC computer-cooling fans

Misc. Angled mounts fabricated from 2x4's and 2x6's, insulated duct work, and wiring.

**System Update October 2009**

(1) 15" DC powered fan, and 12Watt PV panel

(1) Additional Collector 60" by 93" - Fabricated on site with recycled materials.

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3. The home of Darrell and Kathleen Boggess

System Status: In operation since 2008

System Type: Force Hot Air

Click here to see images: Solar Collector Front 1, 2

This is second solar hot air collector system added to the Boggess home. It supplements the existing system which was installed in the 1980's (see post #1 in this section).
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Miscellaneous Solar Projects

1. Karisha and Jack's Solar Oven

 

The goal of this project was to reduce our energy consumption, test out theoretical concepts of solar energy, and to have fun. This is an easy project that can be completed by anybody regardless financial means or technical expertise. If you'd like to try it, download the Solar Oven file and get started today!

The list of foods that have been successfully cooked in our oven include: Lasagna, brownies, banana bread, French bread, potatoes, and beans. CAUTION: solar cooking is so much fun, it may encourage over-eating. Please be careful.