Frequently Asked Questions
- What is solar energy?
- What does photovoltaics mean?
- What is solar heating?
- What are the benefits of solar heating?
- What does a solar heating system cost?
- Photovoltaics vs. solar heating?
- What components comprise a photovoltaic system?
- Do I need a building permit for a PV system?
- What is the useful life of a photovoltaic system?
- How long are plots leased for a PV system and what how high is the lease rate?
- Where can I build a photovoltaic system?
- How can one tell if a plot is principally suited for a PV system?
- How will technology and costs develop?
- Does a PV system require regular maintenance and cleaning?
- Can hail destroy the system?
- Do I need to protect the system against lightning?
- Do photovoltaic systems cause electromagnetic pollution?
- Why should I choose PV?
- How long does it take to install a PV system?
- How much energy does a PV system generate?
- What is grid parity?
- What does kWp mean?
- Does solar electricity have to be fed into the public grid?
- How is a solar cell designed?
- Are there subsidies?
- How big does a PV system have to be?
- How much carbon dioxide do I save with a PV system?
- What types of PV modules are available?
- What does Wp mean?
- What does kWh mean?
- What follow-up costs will I incur?
- What cell types are there?
- Are there examples for thinfilm technologies?
- What efficiencies do solar cells have?
- How does the electricity come into the public grid?
- How does a stand-alone system work?
- What roofing types are there?
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