Partnership Overview

Insolation Energy Limited (INA Solar), through its subsidiary Insolation Green Energy Private Limited, has signed a five‑year strategic partnership with US‑based Caelux Corporation to commercialise 3 GW of advanced solar modules. The collaboration will integrate Caelux’s proprietary Energy Producing Glass technology with INA Solar’s N‑Type TOPCon manufacturing platform, creating Hybrid‑Tandem™ modules that combine TOPCon solar cells with a perovskite‑based power‑generating glass layer.

Technical Targets and Timeline

The joint effort aims to achieve commercial production of modules with efficiencies of up to 29 % by 2028. The partnership will cover technology validation, manufacturing readiness, and securing applicable regulatory approvals, including ALMM requirements.

Executive Comments

Manish Gupta, Chairman of Insolation Energy Limited, described the collaboration as a milestone that will accelerate high‑efficiency module development and support India’s renewable energy ambitions. Managing Director Vikas Jain highlighted the partnership’s role in building an integrated solar manufacturing ecosystem focused on innovation and high‑performance solutions. Caelux’s CEO Scott Graybeal noted that the agreement advances the rollout of next‑generation solar technology at scale in India, adding that Caelux’s global contracted volume with module manufacturers already exceeds 25 GW. Vish Iyer, Managing Director – India & West Asia for Caelux, emphasized the significance of integrating Energy Producing Glass with TOPCon technology for the Indian market.

INA Solar Capacity and Portfolio

INA Solar currently operates three solar module manufacturing facilities in Jaipur, Rajasthan, with a combined annual capacity of 5.5 GW. The company is developing a 4.5 GW TOPCon solar cell manufacturing facility and an 18,000 MTA aluminium frame manufacturing plant in Narmadapuram, Madhya Pradesh. Its product range includes TOPCon and Mono PERC modules ranging from 500 Wp to 635 Wp, alongside EPC services. INA Solar also maintains an Independent Power Producer (IPP) portfolio of approximately 400 MW.

Corporate Background

Founded in 2015 and headquartered in Jaipur, Rajasthan, Insolation Energy Limited is listed on the NSE and BSE. The firm serves over 40,000 customers across more than 250 districts through a network of over 1,000 channel partners. Caelux Corporation, headquartered in Baldwin Park, California, is a global leader in perovskite solar technology, with its Energy Producing Glass converting the top glass of solar modules into an additional power‑generating layer, thereby increasing power density and improving project economics.