| 07/04/2015 | IEC launches waste recycling plastic project worth 663 million baht. |
| 25/03/2015 | Public hearing Ban Bung waste-to-Energy power plant |
| 25/03/2015 | IEC to purchase the biogas power plant |
| 25/03/2015 | IEC invests 400 million baht in biogas plants. |
| 09/03/2015 | IEC has been invited to address on the technology of waste-to-energy power plant. |
| 03/03/2015 | Report on Operating Result in 2014 |
| 26/02/2015 | Company Announcement |
| 23/01/2015 | IEC states with capital increase, there is still a silent period. |
| 22/01/2015 | IEC Confirms no effect from remaining capital increase by PP. |
| 21/01/2015 | The results of private placement shares sold |