Energy Commodities P&L Excel Model

I'm seeking an Excel expert with deep understanding of energy commodities, specifically gas, to build a profit and loss calculation model for me. This model should be able to automate the calculation of P&L on a daily, monthly, and yearly basis. I need it to decider our physical exposure to the market combing futures and physical product.

Ideal Skills and Experience:
- Advanced Excel skills
- Prior experience with commodities
- Knowledge of energy sector, specifically gas
- Ability to create models that can analyze data over different time periods.