Yes absolutely it worth but if you are capable to fill all requirements, but the more important things is due to expensive electricity most of people avoid such plan, so if you have source of cheap electricty and also cool environment where need of air-condition is almost nill so then it will worth. But just like everyone know the volatile nature of Bitcoin you should ready for any situation because some time due to dump the value of your Bitcoin will only fill your plant expences. So before entry you should keep such thing in mind because it's look easy money but it reality it's not just like everyone expect...