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Renewable Energy
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& WIRING

ELECTRICAL ENCLOSURES & SAFTEY

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METERS, COMM.S & SITE ANALYSIS
DC TO DC VOLTAGE CONVERTER INVERTER POWER PANELS
 

SOLAR WATER PUMP

 


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PRODUCTS
Batteries
Batteries: Flooded Lead Acid
Batteries: Sealed Agm
Batteries: Sealed Gel Cell
Desulfators
Enclosures
Ventilators/Battery Fans
Watering Caps

Books, Classes & Educational Videos

Classes
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General Renewable
Micro Hydropower
Solar Electric and Passive Solar
Solar Hot Water Systems
Wind Energy

Cables & Wiring

Battery Interconnects
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Wiring For Solar Panels

Charge Controllers

Solar Charge Controllers
Solar Lighting Controllers
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Constant Voltage Regulator
Diversion Load Controllers
Temperature Sensors

Composting

BigBelly Compactor
Compost Toilets
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DC Voltage Converters

Enclosures, Electrical and Safety

Electrical Enclosures
Lightning Protection
Miscellaneous Electrical Parts
NEC Compliant Safety Labels
Outback Flexware Components
Overcurrent Devices (Fuses & Breakers)
Switch Gear Disconnects

How To Section
Inverters
Export Inverters (230V 50Hz)
Inverter Accessories
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On-Grid & Off-Grid Capable Inverters
On-Grid: (Grid Intertie-No Batteries)

Kits and Package Deals

Grid-Tied Systems
Grid-Tied with Battery Backup
Off-Grid Cabin Systems
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Other Packages and Special Deals
RV Solar Packages

Meters, Communications
& Site Analysis

Data Communications
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Wind Data Instruments

Portable Power

Solar Panel Mounts & Trackers

Active Trackers
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Passive Trackers
Roof Mounts
RV & Specialty
Side Of Pole
Top Of Pole

Solar Panels

1 to 50 Watt Solar Panels
51 to 99 Watt Solar Panels
100 to 149 Watts Solar Panels
150 Watts & Up Solar Panels
Flexible / Rollable Solar Panels
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Solar Panels by the Pallet
BIPV - Building Intergrated Photovoltaics
Solar Electricity Education

Wind Turbines

VAWT Wind Turbines (Electric)
HAWT Wind Turbines (Electric)
Wind Turbine Towers
Wind Data Instruments
Wind Power Education

RENEWABLE ENERGY SYSTEMS & COMPONENTS

With regard to normal 120/240 VAC appliances in a PV system:

Can I use all of my normal 120/240 VAC appliances?

Maybe. Many older homes were not designed or built with energy efficiency in mind. When you purchase and install a renewable energy system for your home, you become your own power company, so every kWh (kilowatt-hour) of energy you use means more equipment (and hence more money) is required to meet your energy needs.

Any appliance that operates at 240 VAC (such as electric water heaters, cook stoves, furnaces and air conditioners) are expensive loads to run on solar. You should consider using alternatives such as LP or natural gas, solar air heating, and solar water heating for water/space heating or cooking, evaporative cooling (good for hot and dry climates) instead of compressor based AC units and passive solar design in your new home construction if possible.

Refrigeration and lighting are typically the largest 120 VAC energy consumers in a home (after electric heating loads) and these two areas should be looked at very carefully in terms of getting the most energy efficient units available. Great strides have been made in the past 5 years towards improving the efficiency of electric refrigerators/freezers.

Compact fluorescent lights use a quarter to a third of the power of an incandescent light for the same lumen output and they last ten times longer. These fluorescent lights are now readily available at your local hardware or discount store. If you plan on having a renewable energy system with a battery bank, consider using a compact fluorescent lights that can be powered directly from the DC voltage of the battery bank (without the use of an inverter, which adds 10 to 20% loss of electricity).

When it comes to renewable energy systems, for every dollar you spend replacing your inefficient appliances, you will save three to five dollars in the cost of a renewable energy system to run those appliances. So you can see that energy conservation is crucial and can really pay off when considering a renewable energy system.

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