| Year | Detail |
| 1995 |
Intelligent Energy Ltd. Was initially founded as Advanced Power Sources Ltd. |
| 1997 |
The first selective oxidation unit was built. |
| 1998 |
The first 200 cm2 nine-cell, pressurised cathode was developed and refined into 1kW compact unit. |
| 2001 |
Intelligent Energy Opened Operations, Opening its doors at the Innovation Centre – Loughborough University. |
| 2003 |
Intelligent Energy Expands, Opening of new site in Long Beach, California – USA. |
| 2004 |
First Remote Power Application, Intelligent Energy, provides remote power in South Africa, via rural fuel cell application. |
| 2005 |
Intelligent Energy produces the World’s first purpose-built fuel cell motorbike called The ENV. |
| 2007 |
Intelligent Energy and Suzuki announce new partnership. |
| 2008 |
The World’s first manned fuel cell aircraft is produced by Boeing and Intelligent Energy and Intelligent Energy and Peugeot Citroen deliver H2O Origin zero-emission commercial van. |
| 2010 |
Intelligent Energy, in partnership with Suzuki, launched the Burgman scooter at London City Hall; Intelligent Energy announced the opening of its offices in Osaka, Japan, and Bangalore, India. |
| 2011 |
The Suzuki Burgman fuel cell scooter obtains the first EU whole-vehicle type approval. |
| 2012 |
Intelligent Energy announces SMILE JV with Suzuki Motor Corporation. |
| 2013 |
IE signs a Memorandum of Understanding to establish a partnership to provide power to telecom towers in India. |
| 2014 |
Launched Upp™ – a personal fuel cell energy device to charge and power USB-compatible portable electronic devices. |
| 2015 |
Intelligent Energy extends capability with new high-performance 100kW automotive fuel cell architecture. |
| 2016 |
Fuel cell drone demonstrated at InterDrone 2016, Las Vegas. |
| 2017 |
Intelligent Energy was acquired by long-standing shareholder Meditor. |
| 2018 |
Intelligent Energy and TCP Ltd launched off-grid hydrogen fuel cell power products for the construction industry, and IE launched IE-POWER 802 and 804 FCM for stationary power and telecoms. |
| 2019 |
Official World Record flight time of over 12 hours powered by Intelligent Energy 650W FCPM, Launched 2.4kW UAV Module, IE joins Project ESTHER consortium, Development of hydrogen fuel cells for use in passenger cars and heavy-duty vehicles. |
| 2021 |
Launched IE-POWER 1T and 1U, Fuel cell module for warehousing and materials handling. |
| 2023 |
Intelligent Energy joins APC project ICEBreaker, Using fuel cells to decarbonize heavy goods vehicles with MIRA and Viritech, the First UK-manufactured fuel cell for passenger cars unveiled, and the company launched the World's first hydrogen-powered access platform. |
| 2024 |
Fuel cell-powered car breaks cover at headquarters; the system was unveiled and driven at the ESTHER close-out meeting. |