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E-GGRT currently reflects the proposed rule rules deferring reporting of inputs to emission equations for direct emitters. This means that in certain web forms in e-GGRT, you can view a required equation, but you will only enter the RESULT of that equation into e-GGRT. If you are using the XML upload option, the XML schema will also only include the RESULT of the equation as a data element. The inputs of the equation are NOT currently collected by e-GGRT. E-GGRT will be updated to reflect the final deferral ruleIn August 2011, EPA deferred the reporting deadline for inputs to equations until either March 31, 2013 or March 31, 2015 to allow time to fully evaluate the potential impact from the release of this data. The inputs to equations whose reporting deadline was deferred until 2013 are listed in Table A-6 of subpart A of the GHG reporting rule. e-GGRT webforms and reporting forms have been modified to include input to equations that are no longer deferred. As a result some optional calculation spreadsheets that were use in prior reporting years have been subsumed by webforms or reporting forms and are no longer provided below. Please refer to the calculation spreadsheet archive to review obsolete calculation spreadsheets.

EPA is providing OPTIONAL calculational spreadsheets that you can use to perform the calculations called for in the emission equations for situations where an input is still deferred (e.g., until 2015). These Microsoft Excel spreadsheets can be downloaded and opened on your own computer. Just click the hyperlink on the web-form to view and download the appropriate calculation spreadsheet for the equation you are working on. You can enter the data , including equation inputs, necessary to perform the calculation for the equation, and the spreadsheets will calculate the result for you. Once you have calculated the result, enter the result onto the e-GGRT web form.

E-GGRT will NOT collect the calculation spreadsheets and you do NOT need to submit them outside of e-GGRT. The use of these calculation spreadsheets is voluntary. The spreadsheets are meant to support reporters as they complete the e-GGRT online reporting process. You do not need to use EPA's spreadsheets to perform the calculations for the emissions equations, but you do need to keep records of these calculations (under 40 CFR 98 3(g) and additional subpart-specific provisions) whether or not you use the calculation spreadsheets provided by EPA. If you do use the spreadsheets, you may choose to maintain copies to help meet your record-keeping requirements.

Calculation spreadsheets include no rounding of results. All calculations in these spreadsheets are conducted using double decimal precision, as native in MS Excel, presented on the spreadsheet displaying 7 decimals of precision. Users may copy the results from spreadsheets into e-GGRT manually or by using a copy and paste commnand.