| 1984 | Started manufacturing LVDs in India |
|---|---|
| Technology collaboration with Ramsey Controls & Square D of USA for VFD | |
| 1987 | Began manufacturing Transistorized UPS Systems, amongst first in India |
| 1989 | Technical and financial collaboration with Cyberex Inc. of USA for UPS |
| 1992 | Partnered with Reliance Electric for Drives and Automation |
| 1994 | Became the first UPS manufacturer in India to be awarded ISO 9001 |
| 1997 | Launched Thyristor-based Single-Phase UPS |
| 2001 | Established an alliance with Vacon of Finland for LVDs |
| 2007 | Started marketing Diesel Rotary UPS (DRUPS) in alliance with Hitec of Holland |
| 2009-10 | Began exporting UPS products to South Africa (ESKOM) |
| Launched our first 3-phase UPS product | |
| 2011 | Hitachi acquired a 70% equity stake in the company |
| 2012 | Inaugurated the state-of-the-art Mfg. Sanand Plant |
| Launched the HIVECTOL-HVI–E series model of MVD | |
| Launched LVD from 75 kW to 315 kW range | |
| 2013 | Launched Solar Central Inverters up to 715 KW |
| 2014 | Launched Megawatt-scale Solar Central Inverters up to 1.43 MW |
| 2015 | Hitachi acquired a 100% stake in Hitachi Hi-Rel Power Electronics |
| Launched IGBT Rectifier-based UPS for single-phase loads | |
| Introduced PV Power Station (Containerized Solution) | |
| 2016 | Extended the LVD product range to include ratings up to 55 kW |
| Implemented the latest ISO 9001:2015 and ISO 14001:2015 standards | |
| 2018 | Launched IGBT Rectifier-based UPS for three-phase loads |
| 2019 | Introduced Grid Tied Solar String Inverters |
| 2021 | Launched 2.5 MW (1500 VDC) Solar Central Outdoor Inverters |
| 2024 | Certified as a Great Place to Work Company |
| 2025 | The Sanand Manufacturing Works expansion doubled our production capacity |
| Recertified as a Great Place to Work Company | |
| 2026 | Certified as a Best Workplace in Manufacturing |
