<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2022 Workiva-->
<!--r:7729574a-a362-43e3-9ac4-a13ab997e8b1,g:df88d6fd-169b-44ea-933f-0b5b765ee27a-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.energytransfer.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="simple" xlink:href="pepl-20220331.xsd#CONSOLIDATEDBALANCESHEETS"/>
  <link:calculationLink xlink:role="http://www.energytransfer.com/role/CONSOLIDATEDBALANCESHEETS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_ecba5c29-539a-4a17-b92b-c36178f7202c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_ca1b4eab-667b-4b33-9ea3-8396a1fdfa27" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_ecba5c29-539a-4a17-b92b-c36178f7202c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_ca1b4eab-667b-4b33-9ea3-8396a1fdfa27" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_9b215f1a-86bc-4fe6-b9ab-c7ceed377ac6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PropertyPlantAndEquipmentNet_ecba5c29-539a-4a17-b92b-c36178f7202c" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_9b215f1a-86bc-4fe6-b9ab-c7ceed377ac6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_3344304e-abae-4cb3-aafb-4c0673b5ac9c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Assets"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_7113267f-2e7f-4738-8d72-0ac7ecfd5bf8" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_3344304e-abae-4cb3-aafb-4c0673b5ac9c" xlink:to="loc_us-gaap_AssetsCurrent_7113267f-2e7f-4738-8d72-0ac7ecfd5bf8" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_b2e2a694-960a-46ac-a729-c3fe87fa120f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_3344304e-abae-4cb3-aafb-4c0673b5ac9c" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_b2e2a694-960a-46ac-a729-c3fe87fa120f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_90766dd1-e7de-4de6-81bc-ac921ff3ff04" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_3344304e-abae-4cb3-aafb-4c0673b5ac9c" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_90766dd1-e7de-4de6-81bc-ac921ff3ff04" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_018d04ff-903b-4f21-9bb0-ef2a708fdf52" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Assets_3344304e-abae-4cb3-aafb-4c0673b5ac9c" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_018d04ff-903b-4f21-9bb0-ef2a708fdf52" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_5e3010c3-adf3-4c58-8be3-a0ad4a1a9ddc" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnersCapital_2590bd21-7935-4ce2-9e07-dacd92208123" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PartnersCapital"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_5e3010c3-adf3-4c58-8be3-a0ad4a1a9ddc" xlink:to="loc_us-gaap_PartnersCapital_2590bd21-7935-4ce2-9e07-dacd92208123" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_8b5f0765-4881-46d3-8d0c-60b2f41c90c4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_5e3010c3-adf3-4c58-8be3-a0ad4a1a9ddc" xlink:to="loc_us-gaap_LiabilitiesCurrent_8b5f0765-4881-46d3-8d0c-60b2f41c90c4" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_a9354c7b-03f5-4e85-a4b4-032c389bb60b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_5e3010c3-adf3-4c58-8be3-a0ad4a1a9ddc" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_a9354c7b-03f5-4e85-a4b4-032c389bb60b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesPayableRelatedPartiesNoncurrent_2b2419f4-0bfa-4105-afda-108089a994d7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NotesPayableRelatedPartiesNoncurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_5e3010c3-adf3-4c58-8be3-a0ad4a1a9ddc" xlink:to="loc_us-gaap_NotesPayableRelatedPartiesNoncurrent_2b2419f4-0bfa-4105-afda-108089a994d7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_25dbff43-b044-463d-a854-9620010ccff6" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_5e3010c3-adf3-4c58-8be3-a0ad4a1a9ddc" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_25dbff43-b044-463d-a854-9620010ccff6" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_47edbba6-dde6-43fa-bc5d-e8c27309ef7b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_5e3010c3-adf3-4c58-8be3-a0ad4a1a9ddc" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_47edbba6-dde6-43fa-bc5d-e8c27309ef7b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_f419c7b2-4535-4e3d-b721-7fec1b317fbb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:calculationArc order="7" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesAndStockholdersEquity_5e3010c3-adf3-4c58-8be3-a0ad4a1a9ddc" xlink:to="loc_us-gaap_CommitmentsAndContingencies_f419c7b2-4535-4e3d-b721-7fec1b317fbb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_b5dce24a-e917-4c89-86f0-ea6afc9ab43e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_7d257fbf-8d3b-4fa4-8899-e74539a24464" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_b5dce24a-e917-4c89-86f0-ea6afc9ab43e" xlink:to="loc_us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_7d257fbf-8d3b-4fa4-8899-e74539a24464" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_a261cf82-e981-438f-9811-ca0531b14be5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsPayableRelatedPartiesCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_b5dce24a-e917-4c89-86f0-ea6afc9ab43e" xlink:to="loc_us-gaap_AccountsPayableRelatedPartiesCurrent_a261cf82-e981-438f-9811-ca0531b14be5" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_pepl_ExchangesPayable_5d20f242-a245-49e3-98d6-eaa53f41110b" xlink:href="pepl-20220331.xsd#pepl_ExchangesPayable"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_b5dce24a-e917-4c89-86f0-ea6afc9ab43e" xlink:to="loc_pepl_ExchangesPayable_5d20f242-a245-49e3-98d6-eaa53f41110b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesCurrent_b8a17122-978a-47b8-bfcb-9b9dcb27fd8a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherLiabilitiesCurrent"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_LiabilitiesCurrent_b5dce24a-e917-4c89-86f0-ea6afc9ab43e" xlink:to="loc_us-gaap_OtherLiabilitiesCurrent_b8a17122-978a-47b8-bfcb-9b9dcb27fd8a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_463fcba6-8549-4450-b8b7-fe2a334e5d10" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3099de1c-84d3-453a-aa4d-d9278c777c00" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_463fcba6-8549-4450-b8b7-fe2a334e5d10" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_3099de1c-84d3-453a-aa4d-d9278c777c00" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNetCurrent_114076ac-560d-4e9f-ab01-9c9fd637a2aa" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableNetCurrent"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_463fcba6-8549-4450-b8b7-fe2a334e5d10" xlink:to="loc_us-gaap_AccountsReceivableNetCurrent_114076ac-560d-4e9f-ab01-9c9fd637a2aa" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_0e2b91cb-89e5-416a-b5eb-aac1b9ce578f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccountsReceivableRelatedPartiesCurrent"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_463fcba6-8549-4450-b8b7-fe2a334e5d10" xlink:to="loc_us-gaap_AccountsReceivableRelatedPartiesCurrent_0e2b91cb-89e5-416a-b5eb-aac1b9ce578f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_pepl_ExchangesReceivable_52e4e9aa-7ca9-4228-84d5-3e90350c4196" xlink:href="pepl-20220331.xsd#pepl_ExchangesReceivable"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_463fcba6-8549-4450-b8b7-fe2a334e5d10" xlink:to="loc_pepl_ExchangesReceivable_52e4e9aa-7ca9-4228-84d5-3e90350c4196" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_2fd1bc70-2521-4def-8fab-ac75c3868dfb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryNet"/>
    <link:calculationArc order="5" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_463fcba6-8549-4450-b8b7-fe2a334e5d10" xlink:to="loc_us-gaap_InventoryNet_2fd1bc70-2521-4def-8fab-ac75c3868dfb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_492813ce-27c0-4e8a-8dc4-da6367bc898a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:calculationArc order="6" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_AssetsCurrent_463fcba6-8549-4450-b8b7-fe2a334e5d10" xlink:to="loc_us-gaap_OtherAssetsCurrent_492813ce-27c0-4e8a-8dc4-da6367bc898a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PartnersCapital_05a6eef0-6c5c-4f89-a384-d154f25db374" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PartnersCapital"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_eee0c3e5-cc69-4378-8c9c-c05d7136beeb" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PartnersCapital_05a6eef0-6c5c-4f89-a384-d154f25db374" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_eee0c3e5-cc69-4378-8c9c-c05d7136beeb" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LimitedPartnersCapitalAccount_84ec783c-1be6-40f4-b312-80956c3539c5" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LimitedPartnersCapitalAccount"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_PartnersCapital_05a6eef0-6c5c-4f89-a384-d154f25db374" xlink:to="loc_us-gaap_LimitedPartnersCapitalAccount_84ec783c-1be6-40f4-b312-80956c3539c5" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.energytransfer.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="simple" xlink:href="pepl-20220331.xsd#CONSOLIDATEDSTATEMENTSOFOPERATIONS"/>
  <link:calculationLink xlink:role="http://www.energytransfer.com/role/CONSOLIDATEDSTATEMENTSOFOPERATIONS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_c162c934-5577-43a2-807c-e8834c8d05d1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_bf69fae3-948d-4fff-adde-9e9351a641c7" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_Revenues_c162c934-5577-43a2-807c-e8834c8d05d1" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_bf69fae3-948d-4fff-adde-9e9351a641c7" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_573d6cc0-b397-4436-86a8-fd7b40aa6010" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_30327f1c-67e9-4d84-ba48-903f7934c5a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_573d6cc0-b397-4436-86a8-fd7b40aa6010" xlink:to="loc_us-gaap_NetIncomeLoss_30327f1c-67e9-4d84-ba48-903f7934c5a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_60ae0189-e1fb-47c3-b9b4-355e448a5cca" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_ComprehensiveIncomeNetOfTax_573d6cc0-b397-4436-86a8-fd7b40aa6010" xlink:to="loc_us-gaap_OtherComprehensiveIncomeDefinedBenefitPlansNetUnamortizedGainLossArisingDuringPeriodNetOfTax_60ae0189-e1fb-47c3-b9b4-355e448a5cca" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossAttributableToParent_1d2fbd56-30d6-46b4-89dd-f5ca48662e73" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossAttributableToParent"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_ca7b6f7c-e2c2-4c62-b284-6df0401ea9a3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossAttributableToParent_1d2fbd56-30d6-46b4-89dd-f5ca48662e73" xlink:to="loc_us-gaap_OperatingIncomeLoss_ca7b6f7c-e2c2-4c62-b284-6df0401ea9a3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_daa8c3cd-cba6-4bab-bdbf-fab69d829429" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpense"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossAttributableToParent_1d2fbd56-30d6-46b4-89dd-f5ca48662e73" xlink:to="loc_us-gaap_InterestExpense_daa8c3cd-cba6-4bab-bdbf-fab69d829429" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpenseRelatedParty_850d6bc6-39c4-4409-af03-79429eb70d19" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InterestExpenseRelatedParty"/>
    <link:calculationArc order="3" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossAttributableToParent_1d2fbd56-30d6-46b4-89dd-f5ca48662e73" xlink:to="loc_us-gaap_InterestExpenseRelatedParty_850d6bc6-39c4-4409-af03-79429eb70d19" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNonoperatingIncomeExpense_9d023ac0-1a01-4d0c-8e97-f3d0864c2fac" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense"/>
    <link:calculationArc order="4" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_IncomeLossAttributableToParent_1d2fbd56-30d6-46b4-89dd-f5ca48662e73" xlink:to="loc_us-gaap_OtherNonoperatingIncomeExpense_9d023ac0-1a01-4d0c-8e97-f3d0864c2fac" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_5d2ae311-f146-4eb6-9e37-b942ab9f0512" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingCostsAndExpenses_95569f6a-6291-42d2-9318-5f70fb5a238a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingCostsAndExpenses"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_5d2ae311-f146-4eb6-9e37-b942ab9f0512" xlink:to="loc_us-gaap_OperatingCostsAndExpenses_95569f6a-6291-42d2-9318-5f70fb5a238a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_6da1bc45-7b63-4108-8e9d-2ea8b88ecd4b" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_5d2ae311-f146-4eb6-9e37-b942ab9f0512" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_6da1bc45-7b63-4108-8e9d-2ea8b88ecd4b" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_c5d16ea9-928d-4fe2-9bcc-e954bddd732c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CostsAndExpenses_5d2ae311-f146-4eb6-9e37-b942ab9f0512" xlink:to="loc_us-gaap_DepreciationAndAmortization_c5d16ea9-928d-4fe2-9bcc-e954bddd732c" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_54cee921-f982-4c24-aa4a-e3ff69bbd93e" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossAttributableToParent_8fbda2ae-c261-4e21-9bb7-09055d1245b2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeLossAttributableToParent"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_54cee921-f982-4c24-aa4a-e3ff69bbd93e" xlink:to="loc_us-gaap_IncomeLossAttributableToParent_8fbda2ae-c261-4e21-9bb7-09055d1245b2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_580100a7-b8b1-4c3c-9029-fc4c903cd0ce" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetIncomeLoss_54cee921-f982-4c24-aa4a-e3ff69bbd93e" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_580100a7-b8b1-4c3c-9029-fc4c903cd0ce" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_f73c999b-9b65-4242-95ff-18a47b1310cf" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_b701d52a-8206-4183-bd76-9602e0be1dc1" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_Revenues"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f73c999b-9b65-4242-95ff-18a47b1310cf" xlink:to="loc_us-gaap_Revenues_b701d52a-8206-4183-bd76-9602e0be1dc1" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_81228be9-7837-4748-99bf-5304e472726c" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_OperatingIncomeLoss_f73c999b-9b65-4242-95ff-18a47b1310cf" xlink:to="loc_us-gaap_CostsAndExpenses_81228be9-7837-4748-99bf-5304e472726c" xlink:type="arc"/>
  </link:calculationLink>
  <link:roleRef roleURI="http://www.energytransfer.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="simple" xlink:href="pepl-20220331.xsd#CONSOLIDATEDSTATEMENTSOFCASHFLOWS"/>
  <link:calculationLink xlink:role="http://www.energytransfer.com/role/CONSOLIDATEDSTATEMENTSOFCASHFLOWS" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b037c729-9b33-47fc-be63-9afe612d4ce4" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_40b8235b-948b-4cac-8614-d87efb7c269d" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b037c729-9b33-47fc-be63-9afe612d4ce4" xlink:to="loc_us-gaap_NetIncomeLoss_40b8235b-948b-4cac-8614-d87efb7c269d" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_f1384db2-e19f-4a9e-8385-2920a18c15f3" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet"/>
    <link:calculationArc order="2" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b037c729-9b33-47fc-be63-9afe612d4ce4" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingCapitalNet_f1384db2-e19f-4a9e-8385-2920a18c15f3" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAndAmortization_ec571919-5843-41d0-a4f3-7dceaf98dd91" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DepreciationAndAmortization"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b037c729-9b33-47fc-be63-9afe612d4ce4" xlink:to="loc_us-gaap_DepreciationAndAmortization_ec571919-5843-41d0-a4f3-7dceaf98dd91" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_a4e80b66-534c-433c-9971-5023cd673e38" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:calculationArc order="4" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_b037c729-9b33-47fc-be63-9afe612d4ce4" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_a4e80b66-534c-433c-9971-5023cd673e38" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1b3c6460-b143-4a5f-9dd0-71734d2c08e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_a2ac72f4-e0f3-45a0-9071-0066a9e9823f" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_1b3c6460-b143-4a5f-9dd0-71734d2c08e2" xlink:to="loc_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_a2ac72f4-e0f3-45a0-9071-0066a9e9823f" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_953d2001-4994-4889-8c8b-7e3873153378" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3dc28538-8067-47ba-a519-59af618c0222" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivities"/>
    <link:calculationArc order="1" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_953d2001-4994-4889-8c8b-7e3873153378" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivities_3dc28538-8067-47ba-a519-59af618c0222" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0805f9cc-d6e3-40e8-99fd-d0b01c2b615a" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:calculationArc order="2" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_953d2001-4994-4889-8c8b-7e3873153378" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_0805f9cc-d6e3-40e8-99fd-d0b01c2b615a" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_26099ed3-044e-4f2b-a999-7259b95085e2" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivities"/>
    <link:calculationArc order="3" weight="1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_953d2001-4994-4889-8c8b-7e3873153378" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivities_26099ed3-044e-4f2b-a999-7259b95085e2" xlink:type="arc"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_2b09f734-2590-4efb-a276-d3a7aace0d02" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfRelatedPartyDebt_73f78992-fd51-418f-87a2-2adde354c621" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_RepaymentsOfRelatedPartyDebt"/>
    <link:calculationArc order="1" weight="-1.0" xlink:arcrole="http://www.xbrl.org/2003/arcrole/summation-item" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivities_2b09f734-2590-4efb-a276-d3a7aace0d02" xlink:to="loc_us-gaap_RepaymentsOfRelatedPartyDebt_73f78992-fd51-418f-87a2-2adde354c621" xlink:type="arc"/>
  </link:calculationLink>
</link:linkbase>
