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Solar & Wind header

Electrical Distribution is the Channel of Choice

For more than 100 years, NAED member electrical distributors have served a vital role in connecting manufacturers with their customers. Today, our members operate in more than 4,400 wholesale outlets nationwide, offering one-stop solutions for contractors, utilities, commercial and industrial facilities seeking renewable energy installations.

Electrical distributors bring value to channel with:

  • Logistical Expertise
    NAED distributors understand the project opportunities and eccentricities of the markets they serve, and operate with the knowledge, inventory and reach required to deliver the right product at a competitive price.
  • Solid Relationships
    NAED distributors have built trusting relationships with their customers through experience. Every day, distributors collaborate closely with architects and engineers, buyers and contractors, who rely on their guidance and suggestions.
  • Training and Education Resources
    NAED distributors make significant annual investments in training and certification to serve the renewable energy market – and many provide ongoing training for their customers as well.
  • Specialized Support
    NAED distributors employ certified technical specialists and engineers, who work with customers and installers in the field to see projects through specification to installation and start up.

NAED is the bridge that connects wind and solar manufacturers to electrical wholesalers. Now more than ever, wholesalers have the tools, relationships and expertise to offer you a complete wind or solar solution.




 




Wind


The Tools to Reach a Renewable Future

Mounting demand for power is driving interest in cleaner energy sources and smarter, more efficient grid systems. As electricity rates climb, public incentives and private entrepreneurs are coming together to create a commercial path for bringing abundant renewable energy to market and this is creating opportunities for electrical distributors.

NAED is arming members with the education and resources they need to take advantage of this powerful opportunity. Whether they're looking for access to high-quality training or best-practice examples from industry case studies, NAED members can check this page for the latest information.

Continuing Education
NAED has partnered with the non-profit Solar Energy International to provide members with some of the best solar training on the market. Since 1991, SEI has trained more than 20,000 professionals in the renewable-energy industry with courses certified by the Interstate Renewable Energy Council.

SEI courses help prepare associates for the NABCEP Entry Level Exam or the NABCEP Installer Certification. NAED members receive special discounts on these courses:

  • PVOL101: Solar Electric Design & Installation (Grid-Direct)

  • PVOL202: Advanced PV System Design and the NEC (Grid-Direct)
  • PVOL203: Solar Electric Design (Battery-Based)
  • PVOL206: Solar Business & Technical Sales


In the News


Integrated Balance of System solution: The next solar cost savings frontier

Six tips for selling solar

Germany Could Drive Global PV Markets Again in 2012 









 
 Solar/Wind picture

 







 

 






















 

 
   

Make Your Project Happen
Financing and Incentive opportunities are available to help businesses capitalize on the benefits of renewable energy. Because each resource is unique, different support methods exist.

Financing Solar
Solar companies often serve as financial intermediaries, helping customers afford solar power that wouldn't otherwise be able to. Using a power-purchase agreement model, manufacturers cover installation costs but charge for energy output, generally at a lower rate than a customer would otherwise pay.

Financing Wind
Consumers and businesses reduce energy costs when they invest in wind turbines, but installations often require a higher upfront investment. Incentives are available to help offset the initial costs.

  • Production Tax Credit
  • Accelerated depreciation deductions





























Solar and Wind


Speak the Language of Renewables

NAED has compiled a list of common wind and solar terms to help you speak the language of renewable energy. The industry is evolving, and with it, new terms arise. Be sure to check the links on the following tab for information not available here.

A

Accelerated
Depreciation - An accounting method in which wind projects reduce the assessed value of their financial balance sheets over a shorter period of time than other real assets.

Airfoil
- The cross-section profile of the leeward side of a wind generator blade to give low drag and good lift. Also found on an airplane wing.

Anemometer
- A device that measures wind speed.

Alternating Current or AC - Electric current that reverses flow at frequent intervals. This is the most common type of household electricity.

Annual Solar Savings - Energy savings attributable to a solar feature relative to the energy requirements of a non-solar building.

B

Balancing
- Wind turbine blades, adjusting their weight and weight distribution through two axes so that all blades are the same. Unbalanced blades create damaging vibration.

Blade - The part of a wind generator rotor that catches the wind.

Brakedrum Windmill - A home-built wind generator design by Hugh Piggot of Scotland.

Braking System - A device used to slow a wind turbine's shaft speed down to safe levels electrically or mechanically.

C

Chord
- The width of a wind turbine blade at a given location along the length.

Cut-In - The rotational speed at which an alternator or generator in a wind turbine starts pushing electricity at a high enough voltage to make electricity flow in a circuit.

D

Depreciation
- An accounting method used to attribute the cost of an asset over the span of its useful life. The cost, of a portion thereof, can be assigned as a loss on the project's balance sheet to reduce the tax base of the project.

Direct Current or DC- Electrical current that flows only in one direction. This is the most common form of electricity used in boats and RVs.

Downwind - Refers to a horizontal axis wind turbine in which the hub and blades point away from the wind direction-- the opposite of an upwind turbine.

Drag - In a wind generator, the force exerted on an object by moving air. Also refers to a type of wind generator or anemometer design that uses cups instead of blades with airfoils.

G

Grid
- A network of power lines or pipelines used to move energy from its source to consumers.

Grid-connected PV stem - A PV system tied to the utility's network, providing surplus electricity to the grid during daylight hours as available and drawing power as needed at night.

H

Horizontal Axis Wind Turbine -
A typical wind-turbine design in which the shaft is parallel to the ground and the blades are perpendicular to the ground.

Hub
- The center of a wind generator rotor, which holds the blades in place and attaches to the shaft.

I

Inverter
- A tool for converting raw DC solar power to AC power for use in the home.

K

Kilowatt or kW
- A unit of electrical power signifying one thousand watts.


Kilowatt-hour or kWh - A unit of energy signifying one thousand watts acting over a period of one hour.

L

Leeward - Away from the direction from which the wind blows

Lift - The force exerted by moving air on asymmetrically-shaped wind generator blades at right angles to the direction of relative movement. Ideally, wind generator blades should produce high and low

M

Megawatt or MW
- A unit of energy for one million watts or 1,000 kilowatts.

N

Net Metering
- Using an electric meter to track net-power usage from a solar-electric system. The meter spins forward when you use electricity from the utility and backward when your system generates more electricity than needed.

O

Orientation
- A term used to describe the direction that a solar module faces. The two components of orientation are the tilt angle, or the angle the panel makes from the horizontal, and the aspect angle, or the angle the panel makes from North.

P

Peak load
- The largest amount of electricity being used at any one point during the day.

Photovoltaic or PV - The conversion of light into electricity. Photo means "light", voltaic means "electric."

Photovoltaic array - An interconnected system of solar modules or panels that function as a single electricity-producing unit.

S

Shaft - The rotating part in the center of a wind generator or motor that transfers power.

Start-Up - The windspeed at which a wind turbine rotor starts to rotate. It does not necessarily produce any power until it reaches cut-in speed

T


Thin film - A solar PV module constructed with sequential layers of thin, film semiconductor materials. Currently, thin-film technologies account for around 12 percent of all solar modules sold worldwide, according to XXX. This share is expected to increase since thin-film technologies represent a potential route to lower costs.

Thrust - In a wind generator, wind forces pushing back against the rotor. Wind generator bearings must be designed to handle thrust or else they will fail






    

















 




Wind and Solar Case


Q: How do we capture the power of the sun?
A: As the sun shines down on a solar panel, individual photovoltaic, or PV,
    cells collect and convert the light into electricity.

Q: What are ideal locations for solar panels?
A: When we think of solar energy, we often imagine an expansive array of solar
     panels located in a remote, desert. While this picture is historically accurate,
     rising energy prices, paired with lower materials costs, are driving
     solar-panel  popularity in urban areas, along residential and commercial 

     rooftops.

Q: Why do consumers and businesses choose solar?
A:  Solar power is an abundant and inexhaustible source of energy.
     Consumers and businesses often choose to go solar to lock in energy
     costs, meet "green" objectives, comply with state or federal regulations,
     or take
advantage of public incentives.

Q: What are the features of a typical PV system?
A:  The typical PV system operates quietly, with little to no moving parts and
      no additional transmission lines required. Pv systems also contain an
      inverter that turns the sun's raw, direct current (DC) energy into alternating
      current that's compatible with traditional grid infrastructure and circuitry.

Q:  PV systems may be green, but what are their maintenance needs like?
A:  PV systems have very low maintenance needs. While manufacturers often
     guarantee service life for 20 years, life spans up to 40 years are commonly
     expected.

Q: Why choose wind power?
A:  Wind is the cleanest, most efficient renewable resource in the world,
      requiring
neither water nor other natural-resource extraction methods
      to produce power. When consumers and commercial end-users choose
      wind, they set an example in their communities, reduce their carbon
      foot prints and lower their dependence on fossil fuels.

Q: How do distributors serve the power and wind industry?
A:  Distributors add value to the supply chain by serving as a one-stop shop for
      the supplies contractors and end users need to complete a renewable
      installation. Cabling, inverters and converts, and solar panels are among
      the many products available through distributors. In addition to
      product knowledge, many distributors offer logistical expertise and
      technical design support for getting projects up and running.
     


     
   































On the Web

Check out the following resources for more information about wind and solar energy.

Industry Links

Trade Associations                                        
www.awea.org

http://www.solar-trade.org.uk/ 

Locating Solar Installers
http://www.solar-estimate.org 

Qualifying Property Usage
www.earth.google.com  
http://datastore.netronline.com/
www.zillow.com
www.pvwatts.org  

Solar Tools & Financing
www.cleanpowerfinance.com
www.pvwatts.org 

Solar Education & Research
www.ongrid.net  
http://www.solarenergy.org/ 
http://www.nabcep.org/ 

Publications
http://www.solarprofessional.com/home/ 
http://www.solarindustrymag.com 
http://www.tedmag.com/
http://www.ecmag.com/ 

Solar Design Tools
http://www.energyperiscope.com/
http://get.solardesigntool.com/
http://www.apexwin.com/

Government Links

U. S. Department of Energy  (DOE)                    
http://www.eere.energy.gov/

Public Incentive Information
DOE State Incentives 
http://www.dsireusa.org/
http://www.energystar.gov/tax
http://www.rurdev.usda.gov/Home.html
http://energy.gov/
http://www.epa.gov/
http://www.recovery.gov/Pages/default.aspx
http://ceusa.com/
http://www.eere.energy.gov/
http://www.grants.gov/index.jsp 

Research                                                      
http://www.nrel.gov/ 

Glossary of Terms (US DOE)

http://www1.eere.energy.gov  /solar/solar_glossary.html