| Troyanovo-1 coal mine | |
| Place: | Troyanovo |
| State/Province: | Burgas Province |
| Country: | Bulgaria |
| Owner: | Maritsa Iztok Complex |
| Products: | Coal |
| Amount: | 8,000,000 |
| Opening Year: | 1952 |
The Troyanovo-1 coal mine is a large coal mine located in Burgas Province. Troyanovo-1 represents one of the largest coal reserve in Bulgaria having estimated reserves of 525.3 million tonnes of coal and an annual coal production of around 8 million tonnes.[1] [2]