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<xs:schema xmlns:ithacaenergyplc="http://ithacaenergyplc.com/xbrl/2023" xmlns:xbrli="http://www.xbrl.org/2003/instance" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:dtr="http://www.xbrl.org/dtr/type/2020-01-21" targetNamespace="http://ithacaenergyplc.com/xbrl/2023" xmlns:xs="http://www.w3.org/2001/XMLSchema">
  <xs:import schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" namespace="http://www.xbrl.org/2003/instance" />
  <xs:import schemaLocation="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor.xsd" namespace="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor" />
  <xs:import schemaLocation="http://www.xbrl.org/lrr/arcrole/esma-arcrole-2018-11-21.xsd" namespace="http://www.esma.europa.eu/xbrl/esef/arcrole/wider-narrower" />
  <xs:import schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" namespace="http://www.xbrl.org/dtr/type/2020-01-21" />
  <xs:import schemaLocation="http://www.xbrl.org/2005/xbrldt-2005.xsd" namespace="http://xbrl.org/2005/xbrldt" />
  <xs:annotation>
    <xs:appinfo>
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="21380057TNFLXPXBIP34-2023-12-31_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:type="simple" />
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      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="21380057TNFLXPXBIP34-2023-12-31_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor-lab-en.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:type="simple" />
      <link:linkbaseRef xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:href="https://www.esma.europa.eu/taxonomy/2022-03-24/esef_cor-gen-en.xml" xlink:type="simple" />
      <link:roleType id="ProfitOrLoss" roleURI="http://ithacaenergyplc.com/xbrl/2023/roles/ProfitOrLoss">
        <link:definition>01 - Profit or loss</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StatementOfComprehensiveIncome" roleURI="http://ithacaenergyplc.com/xbrl/2023/roles/StatementOfComprehensiveIncome">
        <link:definition>02 - Statement of comprehensive income</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StatementOfFinancialPosition" roleURI="http://ithacaenergyplc.com/xbrl/2023/roles/StatementOfFinancialPosition">
        <link:definition>03 - Statement of financial position</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="NotesAndMandatoryItems" roleURI="http://ithacaenergyplc.com/xbrl/2023/roles/NotesAndMandatoryItems">
        <link:definition>04 - Notes and Mandatory Items</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StatementOfChangesInEquity" roleURI="http://ithacaenergyplc.com/xbrl/2023/roles/StatementOfChangesInEquity">
        <link:definition>05 - Statement of changes in equity</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="StatementOfCashFlows" roleURI="http://ithacaenergyplc.com/xbrl/2023/roles/StatementOfCashFlows">
        <link:definition>06 - Statement of cash flows</link:definition>
        <link:usedOn>link:calculationLink</link:usedOn>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:presentationLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
      <link:roleType id="Anchoring" roleURI="http://ithacaenergyplc.com/xbrl/2023/roles/Anchoring">
        <link:definition>99 - Groups all anchored elements</link:definition>
        <link:usedOn>link:definitionLink</link:usedOn>
        <link:usedOn>link:labelLink</link:usedOn>
      </link:roleType>
    </xs:appinfo>
  </xs:annotation>
  <xs:element id="ithacaenergyplc_GainOnBargainPurchase" xbrli:balance="credit" xbrli:periodType="duration" name="GainOnBargainPurchase" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_CurrentDecommissioningReceivable" xbrli:balance="debit" xbrli:periodType="instant" name="CurrentDecommissioningReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_NonCurrentDecommissioningReceivable" xbrli:balance="debit" xbrli:periodType="instant" name="NonCurrentDecommissioningReceivable" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_CurrentContingentAndDeferredConsideration" xbrli:balance="credit" xbrli:periodType="instant" name="CurrentContingentAndDeferredConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_NonCurrentContingentAndDeferredConsideration" xbrli:balance="credit" xbrli:periodType="instant" name="NonCurrentContingentAndDeferredConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_CapitalContributionReserve" xbrli:balance="credit" xbrli:periodType="instant" name="CapitalContributionReserve" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_CostOfHedgingReserve" xbrli:balance="credit" xbrli:periodType="instant" name="CostOfHedgingReserve" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_CapitalContributionReserveMember" xbrli:periodType="duration" abstract="true" name="CapitalContributionReserveMember" nillable="true" substitutionGroup="xbrli:item" type="dtr:domainItemType" />
  <xs:element id="ithacaenergyplc_CostOfHedgingReserveMember" xbrli:periodType="duration" abstract="true" name="CostOfHedgingReserveMember" nillable="true" substitutionGroup="xbrli:item" type="dtr:domainItemType" />
  <xs:element id="ithacaenergyplc_IssuanceOfSharesForCapitalReduction" xbrli:balance="credit" xbrli:periodType="duration" name="IssuanceOfSharesForCapitalReduction" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_AdjustmentsForExplorationAndEvaluationExpenses" xbrli:balance="debit" xbrli:periodType="duration" name="AdjustmentsForExplorationAndEvaluationExpenses" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_AdjustmentsForReductionIncreaseInContingentDeferredConsideration" xbrli:balance="debit" xbrli:periodType="duration" name="AdjustmentsForReductionIncreaseInContingentDeferredConsideration" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_AdjustmentsForRevaluationOfFinancialInstruments" xbrli:balance="credit" xbrli:periodType="duration" name="AdjustmentsForRevaluationOfFinancialInstruments" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_AdjustmentsForGainOnBargainPurchase" xbrli:balance="credit" xbrli:periodType="duration" name="AdjustmentsForGainOnBargainPurchase" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_AdjustmentsForHedgingResets" xbrli:balance="credit" xbrli:periodType="duration" name="AdjustmentsForHedgingResets" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_AdjustmentsForAccretion" xbrli:balance="debit" xbrli:periodType="duration" name="AdjustmentsForAccretion" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_AdjustmentsForInterestOnRelatedPartyLoan" xbrli:balance="debit" xbrli:periodType="duration" name="AdjustmentsForInterestOnRelatedPartyLoan" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_AdjustmentsForDecommissioningExpenditure" xbrli:balance="credit" xbrli:periodType="duration" name="AdjustmentsForDecommissioningExpenditure" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_SettlementOfForeignExchangeAndCommodityDerivativeFinancialInstrumentsClassifiedAsOperatingActivities" xbrli:balance="credit" xbrli:periodType="duration" name="SettlementOfForeignExchangeAndCommodityDerivativeFinancialInstrumentsClassifiedAsOperatingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_CapitalExpenditureClassifiedAsInvestingActivities" xbrli:balance="credit" xbrli:periodType="duration" name="CapitalExpenditureClassifiedAsInvestingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_DeferredConsiderationPaymentsClassifiedAsInvestingActivities" xbrli:balance="credit" xbrli:periodType="duration" name="DeferredConsiderationPaymentsClassifiedAsInvestingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_ContingentConsiderationPaymentsClassifiedAsInvestingActivities" xbrli:balance="credit" xbrli:periodType="duration" name="ContingentConsiderationPaymentsClassifiedAsInvestingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_PaymentsForLeaseLiabilitiesPrincipalClassifiedAsFinancingActivities" xbrli:balance="credit" xbrli:periodType="duration" name="PaymentsForLeaseLiabilitiesPrincipalClassifiedAsFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_LoanRepaymentThirdPartyClassifiedAsFinancingActivities" xbrli:balance="credit" xbrli:periodType="duration" name="LoanRepaymentThirdPartyClassifiedAsFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_LoanRepaymentShareholderClassifiedAsFinancingActivities" xbrli:balance="credit" xbrli:periodType="duration" name="LoanRepaymentShareholderClassifiedAsFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_DrawdownOfRBLLoanClassifiedAsFinancingActivities" xbrli:balance="debit" xbrli:periodType="duration" name="DrawdownOfRBLLoanClassifiedAsFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_DrawdownOfBpLoanClassifiedAsFinancingActivities" xbrli:balance="debit" xbrli:periodType="duration" name="DrawdownOfBpLoanClassifiedAsFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_InterestRateSwapsClassifiedAsFinancingActivities" xbrli:balance="debit" xbrli:periodType="duration" name="InterestRateSwapsClassifiedAsFinancingActivities" nillable="true" substitutionGroup="xbrli:item" type="xbrli:monetaryItemType" />
  <xs:element id="ithacaenergyplc_DisclosureOfBasisOfMeasurement" xbrli:periodType="duration" name="DisclosureOfBasisOfMeasurement" nillable="true" substitutionGroup="xbrli:item" type="dtr:textBlockItemType" />
  <xs:element id="ithacaenergyplc_DescriptionOfAccountingPolicyForLiftingOrOfftakeArrangements" xbrli:periodType="duration" name="DescriptionOfAccountingPolicyForLiftingOrOfftakeArrangements" nillable="true" substitutionGroup="xbrli:item" type="dtr:textBlockItemType" />
  <xs:element id="ithacaenergyplc_DisclosureOfOtherGainsAndLosses" xbrli:periodType="duration" name="DisclosureOfOtherGainsAndLosses" nillable="true" substitutionGroup="xbrli:item" type="dtr:textBlockItemType" />
  <xs:element id="ithacaenergyplc_DisclosureOfDecommissioningLiabilities" xbrli:periodType="duration" name="DisclosureOfDecommissioningLiabilities" nillable="true" substitutionGroup="xbrli:item" type="dtr:textBlockItemType" />
  <xs:element id="ithacaenergyplc_DisclosureOfContingentAndDeferredConsideration" xbrli:periodType="duration" name="DisclosureOfContingentAndDeferredConsideration" nillable="true" substitutionGroup="xbrli:item" type="dtr:textBlockItemType" />
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