The following are some resources that we've collected and thing might be helpful to you:

SMA Design Assistance

As a leading global specialist for photovoltaic system technology, SMA is setting the standards today for the decentralized and renewable energy supply of tomorrow.

Designing PV plants is easier than ever now, with Sunny Design Web. You can open Sunny Design Web in any Web browser or on an iPad/Android tablet. Then simply enter all the required information and within a few minutes you will receive the optimum plant configuration. - See more at: http://www.sma.de/en/products/planning-software/sunny-design-web.html#sthash.Y0ru7qUi.dpuf

Power Up Design Assistance

Specifically, in terms of design assistance, Power Up can help with the optimum tilt angles and the overall orientation of the solar operation.

Fronius Design Assistance

Once you have specified the specific product, the Fronius configuration tool will give the necessary output
 
Iron Ridge Design Assistance

Intuitively design while pricing, bill of materials and engineered calcs update in real-time. Begin configuring your project immediately with the IronRidge Design Assistant™

DPW Design Assistance

They deliver added value to our customers through technical expertise and unparalleled customer support.  Their flexibility, PV solar industry experience, and lean manufacturing capabilities allow us to respond to our customer’s needs quickly and with precision.

Unirac design assistance

Combining performance, reliability, and experience, Unirac can support the largest installations. Unirac offers industry-leading quality control, value added project management, and a track record of successful projects.

PVWatts

PV calculator estimates the energy production and cost of energy of grid-connected photovoltaic (PV) energy systems throughout the world. It allows homeowners, small building owners, installers and manufacturers to easily develop estimates of the performance of potential PV installations.

NREL

NREL focuses on creative answers to today's energy challenges. From breakthroughs in fundamental science to new clean technologies to integrated energy systems that power our lives

National Database of Incentives

DSIRE is the most comprehensive source of information on incentives and policies that support renewable energy and energy efficiency in the United States.

 * * * For more industry resources check out our May Newsletter! * * *

Go to --> CED May 2015 Blog Newsletter