�We will make electricity so cheap that only the rich will burn candles�. These were the famous words of American inventor, Thomas Edison. Some 200 plus years later, his prediction seems to have fallen right in place. This was initially fuelled by a great discovery during the Industrial Revolution when factories and later homes relied on that dark substance people came to affectionately call �King Coal�. Online real estate portal, Lamudi, investigates the viability of coal-powered plants in Ghana.