HEATKEYS

DIY Solar panel help, calculators, Free tutorials, design tools about Solar Power Systems, all using the free solar energy from the sun to produce electricity for energy independence.

Solar Power Discussion Forum - Electricity from the sun

Online PV design software for solar professionals that allows users to effortlessly design PV systems and create optimal panel layouts.

Build It Solar will help people with Do It Yourself skills build solar projects that save money and reduce pollution. It is a "hands-on" site with detailed plans for solar projects including solar space heating, water heating, passive sola...

Photovoltaic applications, technologies and large-scale PV power plants

The official website of SMA Solar Technology AG, the leading manufacturer of photovoltaic inverters and monitoring systems

OffGridWinchester -- A Resource for Independent and Off-Grid Living, Education, & Training

Solaripedia is a database of green architecture and green building resources using solar, wind and passive strategies to create sustainable built environments.

The U.S. DOE Energy Efficiency and Renewable Energy Web site provides information on energy efficiency and renewable energy technologies.

CivicSolar sells solar panels, solar inverters, charge controllers and others solar power products at the lowest wholesale price for grid tie, off grid,residential and commercial projects.

Design World Online helps engineers and other industry professionals stay up-to-date with engineering videos, manufacturing parts information, industrial news and more.

ETAP electrical software is a power systems analysis solution that includes analytical modules and energy management load flow software, arc flash software, short circuit software for electrical engineering power system design power system simulation

Texas Instruments (TI) is a global analog and digital semiconductor IC design and manufacturing company.