Best 10 Solar Companies in Kerala 2026
Solar energy adoption has been increasing rapidly across Kerala, mainly due to rising electricity bills and improved state and central government support for rooftop installations. Businesses and homes are now turning to solar power to improve energy reliability and reduce long-term costs. As demand continues to grow, many solar companies in Kerala are offering installation and maintenance services. However, choosing the right provider is crucial to ensure system safety, quality, and long-term performance. Keep reading as we analyse and list out the best 10 solar companies operating in Kerala, whom you can consider hiring for installation and maintenance services in 2026. Which Are the Best Solar Companies in Kerala in 2026? The top 10 solar companies in Kerala include a wide variety of experienced local and well-established national brands.All these companies are known for reliable project execution, MNRE-approved, and famous for offering consistent customer support. They serve commercial, residential, and institutional customers across the state. The best solar companies servicing in Kerala must have shown reliable and stable installation performance and service quality in recent years. How We Selected the Best Solar Companies To prepare the list of top 10 solar companies in Kerala, we have followed a clear and practical selection process that directly focuses on factors that matter to homeowners and businesses in Kerala. Each company has been evaluated using the same criteria to ensure reliability and fairness. MNRE Approval MNRE approval was the first and top-most criterion we checked. It confirms that the company meets the respective government standards and is eligible to handle subsidy-linked solar projects. Quality of Components The quality of solar panels, inverters, mounting structures, and other components was reviewed next. A quality check was done by understanding the type of warranties offered by the solar companies. The best solar panels in Kerala can be determined by analysing the panel type, durability, maintenance needs, and warranty coverage. Installation Experience By assessing the years of experience the solar companies have in terms of installing and maintaining solar panels in Kerala, we were able to evaluate the installation experience. This was precisely done for experience in Kerala by reviewing the variety of solar projects each company has completed in recent years. Customer Reviews Customer reviews and feedback were analysed to understand service communication, quality, and issue resolution after installation. Most reviews were collected based on AMC (Annual Maintenance Contract) experience from customers who rely on solar panels to generate and meet their everyday electricity needs. After-Sales Support After-sales support was included as one crucial factor in determining the best solar companies in Kerala. This is mainly because solar systems need long-term maintenance and timely technical assistance to avoid facing major system-related issues. By combining all these points, we have shortlisted the best companies that consistently deliver reliable performance, safe installations, and dependable customer support across different regions of Kerala. Solar Subsidy in Kerala 2026 – What You Need to Know PM Surya Ghar Yojana – Central Subsidy Available to Kerala Residents Kerala does not offer a separate state-level solar subsidy. However, all Kerala homeowners are eligible for the central government’s PM Surya Ghar Muft Bijli Yojana subsidy: Only ALMM-listed, Made-in-India solar panels qualify for this subsidy. Always confirm with your installer before purchasing. Applications are submitted through pmsuryaghar.gov.in. List of Top 10 Solar Companies in Kerala – 2026 1. Aeco Solar (Alternative Energy Corporation) Kerala’s Local Solar Expert: Residential & Commercial Installations Aeco Solar, operating as Alternative Energy Corporation, is a Kerala-based solar company with deep roots in the state’s renewable energy sector. As a fully MNRE-certified installer, Aeco Solar handles residential rooftop, commercial, and institutional solar projects across Kochi, Ernakulam, Thrissur, Malappuram, and surrounding districts. What sets Aeco Solar apart from larger national players is their intimate understanding of Kerala-specific conditions — including the unique challenges of monsoon-season installation, KSEB net metering approvals, and rooftop structural variations common in Kerala homes. Their in-house team manages the entire project lifecycle from site assessment and system design through to KSEB documentation and after-sales AMC. Aeco Solar offers all three major solar system types: on-grid systems ideal for homes with a stable power supply, off-grid systems for locations with frequent power cuts, and hybrid solar systems with battery backup for maximum energy independence. Their solar calculator helps customers estimate system size and savings before committing. 2. Tata Power Solar Tata Power Solar, a subsidiary of the Tata Group, is one of India’s most trusted and recognised solar brands. Founded in 1989, the company has shipped over 3 GW of solar modules globally and has a significant EPC (Engineering, Procurement, and Construction) presence across Kerala, including a direct PPA with KSEB through their large-scale solar projects in the state. For residential customers in Kerala, Tata Power Solar offers high-efficiency rooftop solutions with strong brand-backed warranties. Their panels come with a 25-year performance guarantee, and they have an established service network across major Kerala cities. The company’s national scale ensures replacement parts and technical support are readily available. 3. Adani Solar Adani Solar is India’s largest vertically integrated solar manufacturer, producing solar cells, panels, and inverters at scale. Their panels are widely used in large commercial and institutional rooftop installations across Kerala, particularly for factories, warehouses, and educational institutions that require high-volume energy generation. Adani Solar panels are known for their high efficiency ratings (up to 22% for monocrystalline panels) and are ALMM-listed, making them eligible for the PM Surya Ghar subsidy. While their focus is primarily on large-scale commercial and utility installations, authorised dealers in Kerala can arrange residential systems using Adani panels. 4. Vikram Solar Vikram Solar is one of India’s premium solar module manufacturers, particularly known for its high-efficiency monocrystalline PERC panels. Their panels perform exceptionally well in Kerala’s partially shaded and diffused-light conditions a key advantage during monsoon months when direct sunlight is limited. In Kerala, Vikram Solar panels are supplied through authorised EPC partners and installers. If you’re seeking the highest-efficiency panels for a limited rooftop area common in Kerala’s urban homes, Vikram Solar modules are a strong choice. Their Somera and Hypersol series consistently rank among