Unfortunately i'm not into mining, and i wish i know about the factors that could affect your mining business where you are operating it.
By the way, was wondering if this section:
https://bitcointalk.org/index.php?board=160.40 is the right place to move your post in order the get answers to your questions from experienced miners who may even know how things work where you operate , advise you on the profitability of mining there , and also advise you on how to plan your mining business.