My project building is one of 40+ on a company's campus/site. They do not purchase electricity on a building-by-building basis, but for the entire site. My project building is metered and the information from that meter is what's been entered into Portfolio Manager. I can produce 3 months of electric energy bills for the site (along with 3 months of fuel oil bills, again for the site, which provides the district steam to the project building). I can determine the cost of my buldings electric usage using the building's meter and the charges to the site if this will be appropriate, as well as make a similar estimate of the fuel oil component based on steam usage. Is this a case where I will need to document/explain a special circumstance?