General Disclaimer
The calculators, articles, and other content on SolarSystemCalc are provided for general informational and educational purposes only. Every result is an estimate, generated from simplified engineering formulas and average solar irradiance and weather data. Actual performance of any real solar power system will differ based on your specific equipment, installation quality, shading, local weather patterns, and many other variables our calculators cannot account for.
Not a Substitute for Professional Advice
Nothing on this site is a substitute for advice from a licensed solar installer, electrician, structural engineer, or financial adviser. Before purchasing equipment, signing a contract, or beginning any installation, have your project reviewed by a qualified professional who can assess your specific site, roof, electrical service, and local requirements.
Electrical Safety and Local Codes
Any electrical work related to a solar installation, including panel wiring, inverter connection, battery storage, and grid interconnection, must be designed and performed in compliance with the electrical codes and permitting requirements that apply in your location, such as the National Electrical Code (NEC) in the United States, BS 7671 in the United Kingdom, AS/NZS 3000 in Australia and New Zealand, or the relevant IEC standards elsewhere. Our calculators do not check compliance with any specific code, and results should never be used as a substitute for a proper engineering design or a permitted electrical plan.
Financial Projections
Where a calculator estimates cost savings, payback period, or return on investment, these figures are projections based on the assumptions and rates you enter or on general default values, not guarantees. Actual electricity prices, incentive programs, equipment costs, and system performance change over time and by location, and real-world savings may be higher or lower than any figure shown on this site.
Solar Data Accuracy
Solar irradiance and related environmental data used by our calculators are drawn from publicly available solar atlas and meteorological sources and compiled into a static dataset. While we aim to keep this data reasonably current and accurate for general planning purposes, it reflects historical averages for a general area, not a site-specific measurement, and should not be relied upon as the sole basis for a final engineering or financial decision.
Advertising Disclosure
SolarSystemCalc does not currently display advertising, sponsored content, or affiliate links. If that changes in the future, this page and the Privacy Policy will be updated first, and any advertisement shown will not be an endorsement, recommendation, or verification of the advertiser, its products, or its claims by SolarSystemCalc.
External Links
Our pages may link to external websites, including manufacturer resources, government agencies, and news sources. We do not control these sites and are not responsible for their content or accuracy.
Use at Your Own Risk
Your use of this site and reliance on any information, calculator result, or link provided here is entirely at your own risk. SolarSystemCalc and its operator disclaim all liability for any loss, damage, or injury arising from the use of this site to the fullest extent permitted by law.