Miller Argent prepares opencast mine site planning bid
29 May 2013 Last updated at 20:37 BST
The operator of Wales' largest opencast mine is preparing a planning application for a new site in Tredegar despite facing strong local opposition.
Miller Argent says it will provide hundreds of jobs and other economic benefits in the area.
Sachin Krishnan has been taking a look at whether coal is still worth investing in a generation or more from its heyday.