| 1984 | Pioneered manufacturing of Low Voltage Variable Frequency Drives in India; |
|---|---|
| Technology Collaboration with Ramsey Controls and Square D of USA | |
| 1987 | Started manufacturing Transistorized UPS Systems; amongst first in India |
| 1989 | Technical and Financial collaboration with Cyberex Inc of USA for UPS Systems |
| 1992 | Collaboration with Reliance Electric for Drives and Automation |
| 1994 | The First UPS Manufacturer in India to be awarded ISO 9001 in October 1994 |
| 1997 | Launched i4 brand of Single Phase UPS Systems |
| 2001 | Established alliance with Vacon of Finland for Low Voltage Drive solutions |
| 2007 | Started marketing Diesel Rotary UPS (DRUPS) - alliance with Hitec of Holland |
| 2009-10 | UPS exports (alliance with Thomas and Betts); |
| Launched 3 phase UPS product, | |
| Medium Voltage Drives marketing alliance with Hitachi; | |
| 2011 | Alliance partner of Hitachi Ltd., Japan |
| 2012 | Sanand Plant Inauguration, The First Most Modern Power Electronics Manufacturing Facility in India |
| Launched Medium Voltage Drives HIVECTOL - HVI – E | |
| Launched Low Voltage Drives SJ 700 | |
| 2013 | Launched Steel Automation Drives systems |
| Launched HIVERTER-NP201i Series - Solar Inverters | |
| Delivered more than 7000 units of Industrial UPS world wide | |
| 2014 | Launched 200 V Class and 400 V Class NE-S1 Inverters and New Micro EHV+PLC |
| Launched Megawatt Scale HIVERTER-NP201i Series Solar Inverters | |
| 2015 | Hitachi taken 100% stake in Hitachi Hi-Rel Power Electronics. Now a 100% Hitachi Group Company |
| Launched i4et Series UPS system | |
| Introduced PV Power Station (Containerized Solution) for Solar PV Plants | |
| Launched i6e Series UPS system. | |
| 2016 | Launched HH Series Low Voltage Drives, HMI & PLC |
| Implemented latest edition of ISO 9001:2015 and ISO 14001:2015. | |
| 2018 | Launched i4eti Series UPS |
| Launched i6et Series UPS | |
| 2019 | Launched HIVERTER Si Series Grid Tied String Inverter |
| 2021 | Launched HIVERTER-NP215i Series 2.5 MW (1500 VDC) Solar Central Outdoor Inverter |
