Que: What inspired your entry into the energy storage domain, and what was the vision behind launching PuREPower?

Ans: PURE, which stands for Power Using Renewable Energy, was founded with the core ethos of being a cleantech company and a pioneer in battery technology and power electronics. This vision inspired the development of PuREPower, with work commencing as early as in 2018 in the initial incubation stage at IIT Hyderabad. PURE aimed at creating all-in-one advanced energy storage products that address the growing demand for reliable power, driven by the increasing integration of renewable energy sources like solar and wind. With over 1,000 installations across residential, commercial, and industrial settings prior to the launch PURE has innovated a product that meets customer expectations and addresses their unmet needs. In March 2025, PURE officially launched its PuREPower suite of products, catering to residential, commercial, and grid-scale applications. These products are built using high energy density Li-ion batteries, 5th generation power electronics, and a multi-level thermal management system, including patented Nano-PCM at the cell level, and liquid cooling at the pack and rack levels, ensuring optimal product functioning.

Que: PuREPower products feature AI-powered smart automation and app-based monitoring. Could you elaborate on the R&D process that led to these innovations?

Ans: PuREPower products feature AI-powered app-based monitoring, innovations driven by a research and development process deeply rooted in customer feedback and a proactive approach to product reliability. The development of these features is closely tied to PURE's X Platform 3.0, which incorporates Cloud & Predictive AI to ensure remote monitoring and maintenance, thereby maximising product uptime.

The R&D process leveraged insights from over 100,000 batteries running across EV 2W customers, embodying the principle that 'prevention is better than cure.' This philosophy guided the integration of AI tools across the PuREPower product suite, aiming to minimise maintenance requirements and ensure maximum uptime. This focus on proactive, AI-driven solutions not only enhances the user experience but also addresses critical needs, such as 'scalability,' 'reliability,' and 'uptime'. The emphasis on an 'intelligent Cloud & Predictive AI platform' also indicates a data-driven approach to R&D. This platform enables the collection and analysis of data from energy storage products, which is used to improve performance, predict maintenance needs, and automate operations like Time of Use.

Que: How do the three variants—Home, Commercial, and Grid—differ in their design, technology, and intended impact?

Ans: PuREPower Home

● Design: A first-of-its-kind, all-in-one product delivering solar hybrid control, inverter functionality to power surge loads like lift, AC, geyser etc, with high-energy density batteries and designed and made in India, PuREPower Home is compact, aesthetically appealing, and comes with easy installation.
● Intended Impact: PuREPower Home focuses on providing backup power for high-surge loads, reducing electricity bills through solar self-consumption, and enabling greater energy independence for residences.

PuREPower Commercial

● Design: PuREPower Commercial is meticulously engineered to empower businesses with unprecedented operational continuity. This innovative product acts as a one-stop solution by replacing the individual procurements of DG set, large UPS with lead acid batteries and solar inverters, and significantly reduces the upfront capex investments to be made by small to medium commercial entities.
● Intended Impact: This product line-up seamlessly handles power-hungry equipment such as elevators, centralised AC systems, mission-critical servers, and other machine loads. Beyond reliable backup, PuREPower Commercial enables businesses with time of use, dramatically slash peak load charges, and curtail costly diesel generator fuel expenses. Its intelligent design allows for seamless integration with on-site Renewable Energy (RE) sources, unlocking the potential for even greater electricity cost reductions.

PuREPower Grid

● Design: Engineered as a 5MWh containerised product with in-built solar charge and PCS, PuREPower Grid features a comprehensive multi-level thermal management/cooling system. This includes nano-PCM cooling at the cell level, liquid cooling at the pack level, and rack-level. This ingenious product guarantees efficient round trip efficiencies, extending the lifespan, delivering better round-trip efficiencies, and offering world-class safety.
● Intended Impact: PuREPower Grid enhances grid stability and focuses towards RE players, Discoms, large industries, EV fast charging station aggregators and private power companies. Our Grid product will support the growth of the solar and wind projects by offering enhanced IRR by enabling them to supply power during the peak demand times. PuREPower Grid will also help large scale factories/industries to scale up captive solar plants without dependency on net-metering, and assist EV fast charging aggregators wrt the savings in transformer upgradation and RoW costs.

Que: What’s your go-to-market strategy for scaling PuREPower across India?

Ans: PuREPower employs a multi-channel approach to scale its product distribution across India. PuREPower Home and Commercial products will be sold through the company's existing dealer network, which is being expanded with additional distributors and dealers across the country. PuREPower Grid, a 5MWh containerised B2B product, is sold directly through PURE’s marketing and business development team. PuREPower Grid has garnered significant interest, having received Expressions of Interest (EOIs) from over 20 EPC companies, with current combined interests for 5 GWh of projects under development.

Our strategic efforts to streamline the supply chain and foster an ecosystem of ancillary units have proven highly beneficial. Currently, over 67 percent of our components are sourced from Indian vendors, which provides us with enhanced control over quality, quantity, cost, and supply chain resilience. This localised sourcing strategy has enabled us to achieve costs that are 50 percent lower than similar products currently available in the market. Consequently, we are well-positioned to scale operations and capture a significant market share within the next 18-36 months.

Que: How are you addressing regulatory, grid compatibility, and infrastructural challenges?

Ans: PURE is strategically positioned to address the evolving regulatory landscape and significant infrastructural challenges within the energy sector. Recent directives from authorities like the Central Electricity Authority (CEA), mandating discoms and renewable energy (RE) players to install a minimum of 10 percent Energy Storage Systems (ESS) in existing and new projects, underscore the critical need for grid resilience and energy efficiency. This mandate is poised to significantly spike the demand for Battery Energy Storage Systems (BESS) at the Commercial & Industrial (C&I) and grid levels. Furthermore, microgrids are emerging as a crucial solution for providing access to quality power in remote areas where traditional power transmission faces considerable challenges.

All PuREPower products are inherently designed to seamlessly integrate with and augment existing grid infrastructure.

Specifically, PuREPower Grid offers a unique and cost-effective investment alternative to traditional methods of increasing power transmission and generation capacity at the grid and discom/transmission substation levels, thereby ensuring a sustained, uninterrupted power supply. A significant advantage of PuREPower Grid's containerised and modular design is its ability to mitigate the 'Right of Way' challenges currently faced by discoms for the erection of new power transmission lines. This innovative approach simplifies deployment and reduces the need for extensive land acquisition, offering a practical solution to a persistent infrastructural hurdle. Coupled with our multi-level thermal management system, including patented Nano-PCM cooling, PuREPower ensures world-class safety and extended operational lifespan, further enhancing grid resilience.

Que: What are your goals for the next 3–5 years in terms of product evolution, geographic expansion, and market penetration?

Ans: PURE is focused on significant growth in the energy storage sector over the next 3-5 years.

In terms of product evolution, PURE's R&D expertise is driving advancements in battery technology and power electronics. The company is actively developing solid-state batteries to increase energy density and enhance the safety and performance of lithium-ion batteries.

For geographic expansion, PURE is expanding its dealer and distributor network in India for its Home and Commercial products. Simultaneously, the company is pursuing international expansion, with interest from companies in North America, the Middle East, and Africa for immediate entry into the energy storage segment, given that the US and Canada energy storage markets are experiencing substantial growth.

To support this growth, PURE plans to invest INR 400 Crore in the next 18-36 months to expand battery and power electronics production and in-house firmware capabilities, boosting its capacity to 2.5 GWh from the current 250 MWh. This expansion, funded through equity and debt, builds on the INR 100 Crore+ already invested in R&D, plant setup, and battery manufacturing. PURE has also filed over 120 IPs, highlighting its commitment to innovation.