Facility Overview

Please see Reporting Form Instructions on downloading the blank reporting form and uploading the completed reporting form.
You may also refer to Optional Calculation Spreadsheet Instructions to download the Subpart W calculation spreadsheet.

This page provides an overview of the Subpart W Facility Overview reporting requirements.

The Facility Overview is applicable to all Subpart W facilities other than Onshore Oil and Natural Gas Production.

Reporting Requirements

Offshore Production facilities must report:

  • Total quantity of gas handled at the offshore platform in the calendar year (thousand standard cubic feet) [98.236(aa)(2)(i)]

  • Total quantity of oil and condensate handled at the offshore platform in the calendar year (barrels) [98.236(aa)(2)(ii)]


Natural Gas Processing facilities must report:

  • Quantity of natural gas received at the gas processing plant in the calendar year (thousand standard cubic feet) [98.236(aa)(3)(i)]

  • Quantity of processed (residue) gas leaving the gas processing plant in the calendar year(thousand standard cubic feet) [98.236(aa)(3)(ii)]

  • Cumulative quantity of all NGLs (bulk and fractionated) received at the gas processing plant in the calendar year (barrels) [98.236(aa)(3)(iii)]

  • Cumulative quantity of all NGLs (bulk and fractionated) leaving the gas processing plant in the calendar year (barrels) [98.236(aa)(3)(iv)]

  • Average mole fraction of CH4 in natural gas received [98.236(aa)(3)(v)]

  • Average mole fraction of CO2 in natural gas received [98.236(aa)(3)(vi)]

  • Does the facility fractionate NGLs? [98.236(aa)(3)(vii)] (Yes / No)

If your facility reports to both Subpart W and Subpart NN, please visit the following page for more information: Subpart W Data populated from Subpart NN Data


Natural Gas Transmission facilities must report:

  • Quantity of gas transported through the compressor station in the calendar year (thousand standard cubic feet) [98.236(aa)(4)(i)]

  • Number of compressors [98.236(aa)(4)(ii)]

  • Total compressor power rating of all compressors combined (hp) [98.236(aa)(4)(iii)]

  • Average upstream pipeline pressure (psig) [98.236(aa)(4)(iv)]

  • Average downstream pipeline pressure (psig) [98.236(aa)(4)(v)]


Underground Natural Gas Storage facilities must report:

  • Quantity of gas injected into storage in the calendar year (thousand standard cubic feet) [98.236(aa)(5)(i)]

  • Quantity of gas withdrawn from storage in the calendar year (thousand standard cubic feet) [98.236(aa)(5)(ii)]

  • Total storage capacity  (thousand standard cubic feet) [98.236(aa)(5)(iii)]


LNG Import / Export Equipment facilities must report:

  • For LNG import equipment, report quantity imported in the calendar year (thousand standard cubic feet) [98.236(aa)(6)]

  • For LNG export equipment, report quantity exported in the calendar year (thousand standard cubic feet) [98.236(aa)(7)]

LNG Storage facilities must report:

  • Quantity of LNG added into storage in the calendar year (thousand standard cubic feet) [98.236(aa)(8)(i)]

  • Quantity of LNG withdrawn from storage in the calendar year (thousand standard cubic feet) [98.236(aa)(8)(ii)]

  • Total storage capacity (thousand standard cubic feet) [98.236(aa)(8)(iii)]


Natural Gas Distribution facilities must report:

  • Quantity of natural gas received at all custody transfer stations in the calendar year (thousand standard cubic feet) [98.236(aa)(9)(i)]

  • Quantity of natural gas withdrawn from in-system storage in the calendar year (thousand standard cubic feet) [98.236(aa)(9)(ii)]

  • Quantity of natural gas added to in-system storage in the calendar year (thousand standard cubic feet) [98.236(aa)(9)(iii)]

  • Quantity of natural gas delivered to end users (thousand standard cubic feet) [98.236(aa)(9)(iv)]

  • Quantity of natural gas transferred to third parties such as other LDCs or pipelines (thousand standard cubic feet) [98.236(aa)(9)(v)]

  • Quantity of natural gas consumed by the LDC for operational purposes (thousand standard cubic feet) [98.236(aa)(9)(vi)]

  • Estimated quantity of gas stolen in the calendar year (thousand standard cubic feet) [98.236(aa)(9)(vii)]

If your facility reports to both Subpart W and Subpart NN, please visit the following page for more information: Subpart W Data populated from Subpart NN Data


Onshore Petroleum and Natural Gas Gathering and Boosting facilities must report:

  • Select the basin associated with this facility [98.236(a)(9)]

  • Quantity of gas received by the gathering and boosting facility in the calendar year (thousand standard cubic feet) [98.236(aa)(10)(i)]

  • Quantity of gas transported to a natural gas processing facility, a natural gas transmission pipeline, a natural gas distribution pipeline, or another gathering and boosting facility in the calendar year (thousand standard cubic feet) [98.236(aa)(10)(ii)]

  • Quantity of all hydrocarbon liquids received by the gathering and boosting facility in the calendar year (barrels) [98.236(aa)(10)(iii)]

  • Quantity of all hydrocarbon liquids transported to a natural gas processing facility, a natural gas transmission pipeline, a natural gas distribution pipeline, or another gathering and boosting facility in the calendar year (barrels) [98.236(aa)(10)(iv)]


Onshore Natural Gas Gathering Transmission facilities must report:

  • Quantity of natural gas received at all custody transfer stations in the calendar year (thousand standard cubic feet) [98.236(aa)(11)(i)]

  • Quantity of natural gas withdrawn from in-system storage in the calendar year (thousand standard cubic feet) [98.236(aa)(11)(ii)]

  • Quantity of natural gas added to in-system storage in the calendar year (thousand standard cubic feet) [98.236(aa)(11)(iii)]

  • Quantity of natural gas transferred to third parties such as LDCs or other transmission pipelines (thousand standard cubic feet) [98.236(aa)(11)(iv)]

  • Quantity of natural gas consumed by the transmission pipeline facility for operational purposes (thousand standard cubic feet) [98.236(aa)(11)(v)]


Table AA.10.i Onshore natural gas transmission pipeline miles for each state in the facility


  • State [98.236(aa)(11)(vi)]

  • Miles of transmission pipeline [98.236(aa)(11)(vi)]


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