PM Surya Ghar: MNRE Issues Rooftop Solar Monitoring Rules

The Ministry of New and Renewable Energy (MNRE) has completed comprehensive rules for integrating rooftop solar (RTS) power plants with a centralized monitoring system, which is a major step in improving India’s energy security and modernizing its power infrastructure.

MNRE Rooftop Solar Guidelines Under PM Surya Ghar Muft Bijli Yojana

These rules, which were published on December 24, 2025, provide a uniform framework for communication equipment under the PM Surya Ghar: Muft Bijli Yojana, including inverters, dongles, dataloggers, and Remote Monitoring Systems (RMS).

Ensuring seamless and safe data interchange between field-deployed solar assets and the Centralized IoT SCADA Platform is the main goal of this project. The Ministry has made it clear that all RTS data must be maintained by government organizations and housed on servers located in India. In addition to lowering the dangers of unwanted remote access and possible grid disruptions, this provision aims to safeguard national energy sovereignty by preventing the transmission of critical generating and consumption data to servers located outside the nation.

Centralized IoT SCADA Platform and Data Security Framework

The recommendations provide stringent communication standards. The Machine-to-Machine (M2M) SIM communication protocol is mandatory for all inverter devices. The security solution uses private TLS/SSL VPNs to protect the data from assaults like “packet sniffing” and Man-in-the-Middle (MITM) attacks. Furthermore, each message sent and received inside the system will have a “MessageKey,” which prevents spammers and bots from accessing it and guarantees transaction-level security for all remote actions and setups.

The guidelines have also placed a strong emphasis on technical compatibility. RMS devices will use commonly used protocols like Modbus TCP or MODBUS RTU to interact with inverters. The RS-232 DLMS protocol is necessary for energy meters. The system is built to retain time-stamped data locally for at least 60 days in order to account for any delays in cellular network access. Once the connection is restored, the saved data is immediately pushed to the central server.

Technical Interoperability and Secure Communication Standards

Another crucial component of the architecture is device registration. Based on their International Mobile Equipment Identity (IMEI) number, each installer and device will obtain a unique set of credentials and digital certificates. By ensuring that only approved and validated devices may send data to the national platform, this restricted registration improves the system’s integrity.

The MNRE intends to enhance the PM Surya Ghar scheme’s operational effectiveness and position the nation for future technology advancement by putting this vendor-neutral and scalable framework into place. In order to achieve India’s long-term renewable energy ambitions while upholding stringent regulatory supervision and data sovereignty, the system is built to enable more devices and sophisticated analytics.

Scalable Architecture Supporting Long-Term Renewable Goals

The project is anticipated to greatly improve India’s digital public infrastructure and solar supply chain. The new rules, which emphasize scalability, interoperability, and safe data management, represent a significant turning point in India’s quest to become energy self-sufficient. The MNRE is laying the groundwork for a safer, more effective, and future-ready renewable energy ecosystem in the nation by guaranteeing that all rooftop solar assets are monitored via a strong, government-managed infrastructure.

Strengthening Energy Security and Grid Stability

All things considered, this action demonstrates India’s dedication to improving grid stability, protecting sensitive energy data, and encouraging the broad use of renewable energy technology. It emphasizes how crucial it is to combine cutting-edge digital solutions with sustainable energy projects in order to keep the country moving in the direction of energy security and independence.

This action is anticipated to have a long-term effect on the PM Surya Ghar program, protecting the nation’s energy infrastructure from operational and cyber threats while increasing the dependability, security, and efficiency of rooftop solar systems.

Conclusion

The MNRE rooftop solar guidelines under the PM Surya Ghar Muft Bijli Yojana mark a decisive step toward centralized rooftop solar monitoring, stronger rooftop solar data security India, and a scalable solar IoT SCADA platform India that supports long-term energy independence.

Disclaimer

This content is for informational purposes only and does not constitute legal, technical, or investment advice. Readers should refer to official government notifications for final compliance requirements.

Official Website: https://pmsuryaghar.gov.in