H2scan, based in Valencia, California, has recently expanded its GRIDSCAN® sensor line with the introduction of GRIDSCAN 5010, 5015, and 5000 HP. These advanced sensors are designed to revolutionize transformer monitoring by providing increased accuracy, measurement range, and resilience, particularly in harsh environments. The GRIDSCAN 5010 features perpetual auto-calibration, ensuring the capture of sudden hydrogen spikes, while the GRIDSCAN 5015 is specifically tailored for transformers with high hydrogen concentrations. On the other hand, the GRIDSCAN 5000 HP offers double the accuracy of its predecessor. All models offer round-the-clock monitoring, easy installation, and maintenance-free operation for over ten years. These sensors are versatile and find applications in various settings, from transmission transformers to offshore platforms, assisting utilities in preventing failures, minimizing downtime, and enhancing reliability. Additionally, H2scan has introduced HY-VAULT™, a new system aimed at underground vault transformers, which not only improves safety but also enhances infrastructure management. The overall goal of these GRIDSCAN® sensors is to bolster power grid reliability, enable predictive maintenance practices, and ensure the health of transformers, ultimately contributing to enhanced asset protection within the energy industry.