Guide overview
Frequently Asked Questions
General Solar Energy Information
What is solar energy and how does it work?
Solar energy converts sunlight into electricity through photovoltaic (PV) panels. These panels generate clean, renewable power for homes, businesses, and industries.
Why should I switch to solar power?
Solar power lowers electricity bills, reduces carbon footprint, and provides long-term energy independence using clean, renewable resources.
Is solar energy reliable throughout the year?
Yes. With proper design and maintenance, solar panels generate consistent energy year-round—even on cloudy days.
What are key facts about solar energy?
Solar is renewable, low-maintenance, and lasts over 25 years. It can reduce electricity bills by up to 70%.
How is solar power different from traditional electricity?
Solar is renewable and cost-effective, while traditional electricity depends on fossil fuels and fluctuating tariffs.
Can solar power run my entire home?
Yes. A correctly sized solar system with battery backup can power your whole house.
What should I know before installing solar panels?
Understand your power usage, roof suitability, local sunlight availability, and government subsidies.
How does solar energy help the environment?
It reduces greenhouse gases, water use, and pollution, contributing to a cleaner, sustainable planet.
Is solar suitable for Indian homes?
Absolutely. With high sunlight exposure, Indian homes benefit greatly from rooftop solar installations.
What’s the future of solar energy in India?
India’s renewable targets and government support make solar energy a rapidly growing, long-term investment.
Solar Panels — Facts & Information
What are solar panels made of?
They’re made from silicon cells, tempered glass, and aluminum frames that convert sunlight into electricity.
What is the lifespan of solar panels?
Panels last 25–30 years with minimal maintenance and slight efficiency loss over time.
How efficient are today’s solar panels?
Modern panels offer 18–22% efficiency, depending on technology and brand.
What are key facts about solar energy?
Solar is renewable, low-maintenance, and lasts over 25 years. It can reduce electricity bills by up to 70%.
Do solar panels need direct sunlight?
They work best in direct light but also generate power under cloudy conditions.
How should I clean my solar panels?
Clean with water and a soft cloth twice a year. Altisun Solar also provides maintenance packages.
Can solar panels withstand extreme weather?
Yes. Altisun Solar panels are designed to resist strong winds, heavy rain, and hail.
What types of solar panels are available?
Monocrystalline, polycrystalline, and thin-film — each suited for different budgets and spaces.
Which solar panel is best for homes?
Monocrystalline panels offer top efficiency; polycrystalline panels are cost-effective for larger roofs.
Do solar panels work at night?
No, but battery storage or net metering provides nighttime electricity.
Do solar panels increase property value?
Yes, solar-equipped homes sell faster and have higher resale value.
Solar Power System & Installation
What is a solar power system?
It includes panels, inverters, batteries, and mounting structures that convert sunlight into electricity.
What are the main components of a solar system?
Solar panels, inverters, batteries, frames, and cables.
How long does installation take?
Typically 3–5 days after approval for residential systems.
Do I need a south-facing roof?
South-facing roofs provide the best sunlight, but Altisun Solar optimizes any roof orientation.
Can I install solar panels on a flat roof?
Yes. Adjustable mounting structures allow perfect tilt and direction.
Will solar installation damage my roof?
No. Altisun Solar uses leak-free mounting with full structural safety checks.
How much roof space do I need?
Around 100 sq. ft. of shadow-free area per 1 kW system.
Can I install panels on an old roof?
If your roof is 15+ years old, inspect or repair before installation.
What is a hybrid solar system?
It combines grid connection with battery backup for uninterrupted power supply.
How do I choose the right solar system size?
System size depends on monthly usage. Altisun Solar offers a free solar calculator to help.
Solar Inverter, Battery & Equipment
What does a solar inverter do?
It converts DC power from panels into AC power for your home or office.
What are the types of inverters?
String, micro, and hybrid inverters — each designed for specific system setups.
How long do inverters last?
Typically 10–12 years with minimal maintenance.
Do I need a solar battery?
Batteries are optional but essential for power backup and off-grid systems.
Which battery is best for solar?
Lithium-ion batteries last longer, while lead-acid batteries are more budget-friendly.
Can solar charge batteries at night?
No, but stored energy powers your home during nighttime.
How can I monitor solar performance?
Use inverter apps that track real-time energy generation and usage.
Do solar batteries require maintenance?
Lithium-ion types are maintenance-free; lead-acid batteries may need occasional water refilling.
What’s the battery warranty?
Most solar batteries have 5–10 years warranty coverage.
Can I upgrade battery capacity later?
Yes. Hybrid systems allow easy battery expansion as needs grow.
Solar Power Costs, Savings & Incentives
Is solar safe for homes?
Yes. Altisun Solar systems meet BIS and IEC safety standards.
Can solar cause electrical hazards?
Not when installed by certified experts like Altisun Solar.
Do panels work during power cuts?
Only hybrid and off-grid systems continue supplying power.
How do panels perform in monsoon?
They work efficiently in diffused sunlight, and rain naturally cleans them.
Can I track solar energy generation?
Yes, through mobile monitoring apps connected to your inverter.
Does dust affect performance?
Yes, but regular cleaning restores efficiency.
How much maintenance do solar systems need?
Minimal — just cleaning twice a year and inspection every 6–12 months.
What if a panel stops working?
Other panels continue functioning; Altisun Solar provides prompt replacement service.
What’s the average lifespan of a solar system?
25–30 years with proper upkeep.
Can solar panels be relocated?
Yes. They can be dismantled and reinstalled at a new site.
Residential & Commercial Solar FAQs
Is solar suitable for apartments?
Yes, through community or shared rooftop systems.
Can businesses benefit from solar?
Yes, through massive energy savings and tax depreciation benefits.
Can solar work in rural areas?
Yes, off-grid solar systems are ideal for remote villages and farms.
What is a solar-powered home?
A home powered entirely or partially by solar-generated electricity.
How much does solar irrigation cost?
Costs vary by pump size, but government subsidies make it affordable.
Is solar good for irrigation?
Yes. It offers reliable water supply with minimal operational cost.
Can solar power schools or hospitals?
Yes, providing cost efficiency and uninterrupted electricity.
What’s the lifespan of a solar water pump?
Around 15–20 years with routine maintenance.
Can solar run industrial machinery?
Yes, large-capacity systems power heavy machinery efficiently.
Does Altisun Solar offer large-scale solar plant solutions?
Yes, we handle projects from rooftops to multi-megawatt solar farms.
Buying, Comparison & Company Questions
What should I ask before hiring a solar company?
Ask about certifications, installation experience, warranties, and service support.
Why choose Altisun Solar over others?
We deliver MNRE-approved panels, expert engineers, and long-term warranties at competitive rates.
Does Altisun Solar provide EMI or financing?
Yes, we offer flexible EMI and zero-down payment options.
How do I compare solar quotes?
Evaluate based on product quality, warranty, and service—not just price.
Do I need approval before installation?
Yes, but Altisun Solar manages all permits and net-metering approvals.
Does Altisun Solar offer after-sales support?
Yes, including monitoring, maintenance, and performance optimization.
Is there a warranty on solar panels and inverters?
Yes. Panels have 25 years and inverters 10–12 years warranty.
How long has Altisun Solar been in business?
Altisun Solar has years of experience delivering efficient solar solutions across India.
Does Altisun Solar assist with subsidy applications?
Yes, we guide customers through every step of the subsidy process.
How can I contact Altisun Solar for a free consultation?
Visit altisunsolar.com or call our support team for a free consultation and energy audit.