The following are useful links to a wide variety of organizations, resources and publications on the web.
On-line version of the electric codehttp://www.nfpa.org/codes-and-standards
Energy Code and Energy Efficiency
Energy Code Commercial Compliance Toolhttp://www.energycodes.gov/comcheck/
Energy Star New Building Design Resourceshttp://www.energystar.gov/index.cfm?c=new_bldg_design.new_bldg_design
American Solar Energy Society (ASES)http://www.ases.org/
Energy Information Administration - Renewable Legislation and Incentiveshttp://www.eia.doe.gov/cneaf/solar.renewables/page/legislation/renewleg....
Energy Information Administration - Renewable and Alternative Fuelshttp://www.eia.doe.gov/fuelrenewable.html
The Source for Renewable Energyhttp://energy.sourceguides.com/index.shtml
Standards and Tools
IEEE Standards subscription optionshttp://standards.ieee.org/catalog/olis/subscription.html
UL Marking Guideshttp://www.ul.com/regulators/index_lib.cfm
Free electrical calculation software available on Electrical Designer's Reference (EDR). Subscription (free) to the website is required prior to downloading the various software tools.http://www.edreference.com/toolsdir.asp