ABOUT Rudra Solar Energy

The Best Manufacturers in India

Two Decades of Solar Thermal Expertise. Built on Research, Innovation & Field Experience.

Rudra Solar Energy is a specialized solar thermal technology company with a journey spanning more than two decades in the development, design, testing, manufacturing, and deployment of solar thermal solutions.

Founded in 2006 and incorporated as a Private Limited company in 2023, Rudra Solar Energy has grown from a focused solar-energy initiative into an experienced technology and manufacturing organization serving customers and partners across diverse applications and geographies.

Our expertise covers solar cookers, solar dryers, solar ovens, and solar desalination systems, with a strong emphasis on practical engineering, product reliability, performance testing, continuous innovation, and real-world impact.

Today, our technologies are operating across 20 countries and all states and Union Territories of India, giving us extensive field experience across different climatic, geographical, and application conditions.

Our Journey

2006 — Beginning of the Journey

Rudra Solar Energy began its journey in 2006, with a focus on developing practical applications of solar thermal energy.

20+ Years — Building Solar Thermal Expertise

Over the years, we developed specialized expertise across multiple solar thermal applications, including cooking, drying, baking, and desalination.

Research & Technology Development

Our continued investment in design, research, testing, and product development helped us build a strong in-house technical capability.

2023 — Incorporated as a Private Limited Company

In 2023, Rudra Solar Energy was converted into a Private Limited company, providing a structured platform for further expansion, technology development, manufacturing, and collaboration.

Today — Scaling Technology & Impact

With extensive product deployment, manufacturing infrastructure, certifications, intellectual property, research collaborations, and a growing network of partners, Rudra Solar Energy continues to work toward scaling practical solar thermal solutions.

Engineering & R&D at the Core

Innovation at Rudra Solar Energy is driven by our Centre for Excellence, which houses our in-house Design, Research & Development department.

Our R&D capabilities extend across:

• Product design and engineering

• Solar thermal technology development

• Prototype development

• Product performance testing

• Application-specific optimization

• Field-performance analysis

• IoT-enabled monitoring

• Data collection and performance evaluation

• Continuous product improvement

Our Centre for Excellence is equipped with advanced instruments for testing and analyzing solar thermal technologies, along with IoT-based systems that enable detailed monitoring of product performance.

This allows us to follow a systematic development cycle:

Design → Prototype → Test → Measure → Analyze → Improve → Deploy

Our objective is to develop products that perform reliably not only under controlled conditions, but also in actual field environments.

Intellectual Property & Continuous Innovation

Innovation is an ongoing process at Rudra Solar Energy.

Our organization has developed and secured intellectual property through:

6 Design Patents

Our portfolio includes six design patents, reflecting our continued work in developing differentiated product designs and engineering solutions.

1 Product Patent

We also hold one product patent, representing our work toward developing innovative solar thermal technology.

Continuous Patent Development

Innovation does not stop with our existing intellectual property. Our team is continuously working on new patent filings as we develop and refine technologies, designs, and products.

Our approach to innovation is therefore not limited to improving existing products—we continuously explore new ways of applying solar thermal energy to practical challenges.

Quality, Environmental Responsibility & Occupational Safety

Rudra Solar Energy follows internationally recognized management-system standards and holds the following certifications:

• ISO 9001:2015 — Quality Management System

• ISO 14001:2015 — Environmental Management System

• ISO 45001:2018 — Occupational Health & Safety Management System

• CE Certification for applicable products

These certifications reflect our commitment to establishing systematic processes for quality management, environmental responsibility, occupational health and safety, and applicable product conformity requirements.

For us, quality is not simply a final inspection. It is an approach that extends across product development, manufacturing, testing, operations, and customer delivery.

Proven Through Real-World Deployment

Technology becomes meaningful when it works reliably in the field.

Rudra Solar Energy has built substantial field experience through the deployment of its solar thermal solutions across 20 countries and all Indian states and Union Territories.

Our user and deployment base includes approximately:

Solar Thermal Solution Deployment / User Base

Solar Cookers 1,00,000+

Solar Dryers 45,000+ users

Solar Desalination 1,000+ users

Solar Ovens 1,000+ users

This scale of deployment has provided us with valuable practical knowledge regarding different climates, operating environments, user requirements, installation conditions, maintenance considerations, and application-specific challenges.

Our field experience continuously feeds back into our R&D and product-development process.

Manufacturing & Supply Capability

Rudra Solar Energy has developed manufacturing and storage infrastructure to support both regular customer requirements and larger project deployments.

Current production capacity

Solar Dryers: Approximately 300 units/month

Solar Cookers: Approximately 200 units/month

Our facility includes approximately 5,000 sq. ft. of storage space for raw materials and finished goods.

To support faster delivery, we maintain inventory of approximately 50 units of each model, depending on product requirements and demand.

Our trained team handles different operational functions, including manufacturing, assembly, testing, quality processes, inventory management, and dispatch.

This combination of manufacturing capacity + trained personnel + inventory planning enables us to respond efficiently to customer and project requirements.

Research & Institutional Collaboration

Rudra Solar Energy believes that meaningful technological progress comes through collaboration between industry, academia, research institutions, and field organizations.

We have undertaken technical research projects in association with IITs and agricultural universities, working on technology and application-oriented challenges related to solar thermal systems.

Such collaborations help us combine:

Academic Research + Engineering Expertise + Field Experience + User Requirements

This approach enables the development of solutions that are technically sound while remaining relevant to practical applications.

We are open to collaborating with:

• IITs and universities

• Agricultural universities

• Research institutions

• Government organizations

• Technology companies

• NGOs

• CSR foundations

• Development organizations

• Social enterprises

• International development agencies

Technology That Creates Livelihoods

Our work with solar thermal technology extends beyond energy savings and environmental benefits.

Rudra Solar Energy has contributed to the creation of 15,000+ micro-entrepreneurs, helping create opportunities around solar-based products and applications.

This experience has helped us understand an important aspect of technology deployment:

A successful technology must not only work—it must also work within the economic and social realities of its users.

By combining solar technology with entrepreneurship and local implementation, we aim to create solutions capable of generating both environmental value and livelihood opportunities.

Working with CSR & Social Impact Organizations

Rudra Solar Energy has associated with multiple organizations working in the fields of CSR, social impact, rural development, livelihood creation, and community development.

Our experience in such initiatives allows us to support organizations that want to move beyond conventional sustainability commitments and implement measurable, field-level clean-energy interventions.

We can support projects across different stages:

Need Assessment → Technology Selection → Product Deployment → Training → Implementation → Monitoring → Performance Evaluation → Impact

This makes Rudra Solar Energy a potential technology and implementation partner for CSR and social-impact programs seeking practical solar thermal solutions.

Why Organizations Trust Rudra Solar Energy

20+ Years of Specialized Experience

More than two decades of focused experience in solar thermal technology, product development, and field deployment.

Strong R&D Infrastructure

An in-house Design and R&D team supported by the Centre for Excellence and advanced testing capabilities.

Large Field Experience

Products deployed across 20 countries and all Indian states and Union Territories.

1,00,000+ Solar Cooker Users

A substantial user base demonstrating extensive experience in solar cooking applications.

Patented Innovation

6 design patents + 1 product patent, with continuous work toward additional patent filings.

International Certifications

Certified management systems covering quality, environment, and occupational health & safety, along with CE certification for applicable products.

Manufacturing Readiness

Dedicated production capacity, trained personnel, and approximately 5,000 sq. ft. of storage infrastructure.

Research Partnerships

Technical research experience with IITs and agricultural universities.

Social Impact Experience

Experience contributing to the creation of 15,000+ micro-entrepreneurs and working with CSR and social-impact organizations.

Our Approach

At Rudra Solar Energy, our approach is built around five principles:

Research

We continuously explore new technologies, applications, and performance improvements.

Engineering

We convert concepts into practical, manufacturable, and usable products.

Testing

We measure performance through systematic testing and technology monitoring.

Deployment

We focus on solutions that can operate effectively in real-world environments.

Impact

We aim to create solutions that deliver environmental, economic, and social value.

From Solar Energy to Practical Solutions

Solar thermal energy has enormous potential beyond conventional electricity generation.

It can be applied directly to cooking, food processing, drying, baking, water treatment, desalination, and livelihood applications.

For more than two decades, Rudra Solar Energy has focused on making these applications practical through a combination of engineering, research, manufacturing, testing, field experience, and collaboration.

Our journey from 2006 to today reflects a continuous commitment to developing solar thermal technologies that can move from laboratories and prototypes to real-world applications.

With our Centre for Excellence, R&D capabilities, manufacturing infrastructure, intellectual property, certifications, research collaborations, extensive deployment experience, and social-impact ecosystem, we are equipped to work with organizations looking for reliable and scalable solar thermal solutions.

Partner with Rudra Solar Energy

Whether you are a customer, distributor, institution, researcher, CSR organization, NGO, government agency, entrepreneur, technology company, or development organization, we welcome opportunities to collaborate.

From supplying a proven product to developing a customized solution or implementing a large-scale impact project, our team can work with partners across the technology-development and deployment lifecycle.

Let us turn solar thermal innovation into measurable real-world impact.

Rudra Solar Energy

20+ Years of Solar Thermal Experience | Research | Innovation | Manufacturing | Impact

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OUR WORK

Our Projects

39Projects Done
131Happy Clients
2Skilled Staff
OUR EXPERT STAFF

Meet Our Team

Alpa Devang Joshi - COO

Alpa Devang Joshi

COO

Mr. Devang Joshi - CEO

Mr. Devang Joshi

CEO

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What our clients say

Zankhnaben Purohit image

My journey with the Rudra Solar Dryer began in 2021 through the Gujarat Ecological Society, where I received my first solar dryer. The results were so encouraging that in 2025, I invested in a second Rudra Solar Dryer to expand my business. Today, I process moringa leaves, moringa powder, and vegetables with consistent quality and hygiene, earning more than ₹50,000 per month through value addition. The dryers have helped me produce premium-quality products while reducing drying time significantly compared to traditional sun drying. What makes me happiest is that my business has created livelihood opportunities for women in my village. Many local women now work with me, and together we are increasing our incomes while building a sustainable rural enterprise. The quality of the Rudra Solar Dryer is excellent, and the after-sales support from the Rudra Solar Energy team has always been prompt and reliable. Purchasing the second dryer was one of the best decisions for growing my business.

Tulsi Mehta image

Every harvest season, I wanted a drying solution that could consistently preserve the natural quality of my herbs, flowers, and spices. After choosing the Rudra Solar Dryer, my experience has been excellent. In Uttarakhand, I have been using it for more than one year, drying 15–20 kg of produce for 20–25 days every month, which generates around ₹1,100 in monthly revenue. The dryer has reduced the drying time by more than 75%, while retaining the natural colour, fragrance, and medicinal value of my products. This improvement has helped me increase my income by 20–40% by producing premium-quality value-added products. The solar dryer is robust, easy to operate, and the after-sales support from the Rudra Solar team has always been responsive, knowledgeable, and dependable.

Rekha Mehta image

One of the biggest improvements I noticed after installing the Rudra Solar Dryer was the consistent quality of every batch I produced. In Uttarakhand, I have been using the dryer for more than one year, operating it 20–25 days every month to dry 15–20 kg of herbs, flowers, and spices, earning approximately ₹1,000 in monthly revenue. The drying process is more than 75% faster than traditional open sun drying, and the finished products retain their natural colour, fragrance, and purity. This superior quality has helped me increase my income by 20–40%, while also improving customer satisfaction. The solar dryer is manufactured with premium-quality materials, performs efficiently throughout the year, and the after-sales support from the Rudra Solar team has always been prompt, reliable, and customer-friendly.