FERC Form 549B Index of Customers: Every Interstate Gas Pipeline's Firm Contracts

FERC Form 549B, the quarterly Index of Customers, for every interstate natural gas pipeline from the third quarter of 2013, as published on data.ferc.gov: about 146 pipelines and 6,000 shippers across the latest quarters, one row per firm transportation or storage contract and receipt or delivery point as of the first day of the quarter.

One row per
FERC company x quarter x filing x contract-point row
Quarterly filings; checked daily, reloaded when FERC publishes cadence
Evidence
Reference data
Stable context used to interpret other datasets
Time basis
Date-labelled records
UTC · event_time

Overview

Gives each contract's shipper, rate schedule, contract number, effective and primary-term expiration dates, whether the rate is negotiated, maximum daily quantity (MDQ), agent or asset manager, and the point (name, code, zone) with its own MDQ. Use it to find who holds firm capacity on a pipeline or into a zone, which contracts expire next, and which shippers serve a plant or delivery point. Keyed by FERC company ID (company_id, e.g. C000020 for Tennessee Gas Pipeline). Values are kept as filed: dates and quantities are text, units mix Dth, MMBtu and Mcf, and FERC's own DATA_ERROR flags appear in some cells. A contract appears once per point, and a quarter can hold an original and a revised filing. These are contractual rights, not metered flow, scheduled gas or available capacity. event_time is the quarter's first day. The dataset trails the filings by about a year.

Query contract
A quarter can hold several filings for one company: a revised filing re-files the same contracts. Keep one filing per company and quarter, the one with the latest report date: WITH latest AS (SELECT company_id, report_year, report_quarter, argMax(submission_filename, parseDateTimeBestEffortUSOrZero(report_date_raw)) AS submission_filename FROM gas_pipeline_ebb.ferc_index_of_customers FINAL GROUP BY company_id, report_year, report_quarter) and join on all four columns. Then pin event_time to one quarter. Count contracts with uniqExact(company_id, shipper_id, contract_number) and shippers with uniqExact(company_id, shipper_id).
Analysis rules
Never sum MDQ across rows. transport_mdq_raw and storage_mdq_raw are the contract's total and repeat on every one of its point rows; point_transport_mdq_raw is the point's share. Sum point MDQs only within one contract, and only after reading the unit.Units are per row and mixed (Dth, MMBtu, Mcf, sometimes blank or a DATA_ERROR flag); compare quantities only within one unit. Dates and quantities are text, so parse them before comparing.
Interpretation
Contractual rights as filed, not metered flow, scheduled gas, delivered fuel or available capacity. A contract MDQ is a ceiling, and firm holders may release it.FERC publishes with a lag: the newest quarter is about a year old, so this cannot show today's contract book. Say the quarter when reporting.

Access

Download
Query it in SQL, download it, or read it with an API key. Download data
MCP
Connect an MCP client and load the contract with describe_data before calling query_data.ERCOT MCPCAISO MCPNYISO MCPPJM MCPSPP MCPMISO MCPISO-NE MCPBPA MCPAPI reference
HTTP endpoint
POST /api/v1/datasets/gas_pipeline_ebb_ferc_index_of_customers/query
Full history
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Schema

44 columns
ColumnType
event_timeDateTime64(6, 'UTC')
observed_atDateTime64(6, 'UTC')
report_yearString
report_quarterString
submission_filenameString
filing_row_indexString
pipeline_nameNullable(String)
company_idNullable(String)
quarter_start_rawNullable(String)
report_date_rawNullable(String)
original_revisedNullable(String)
contactNullable(String)
transport_unit_detailNullable(String)
storage_unit_detailNullable(String)
transport_unit_pointNullable(String)
storage_unit_pointNullable(String)
header_footnote_idNullable(String)
header_footnoteNullable(String)
shipper_nameNullable(String)
shipper_idNullable(String)
shipper_affiliationNullable(String)
rate_scheduleNullable(String)
contract_numberNullable(String)
contract_effective_rawNullable(String)
contract_expiration_rawNullable(String)
days_to_next_expirationNullable(String)
negotiated_ratesNullable(String)
transport_mdq_rawNullable(String)
storage_mdq_rawNullable(String)
detail_footnote_idNullable(String)
detail_footnoteNullable(String)
agent_rawNullable(String)
agent_footnote_idNullable(String)
agent_footnoteNullable(String)
point_identifier_codeNullable(String)
point_nameNullable(String)
point_code_qualifierNullable(String)
point_codeNullable(String)
zone_nameNullable(String)
point_transport_mdq_rawNullable(String)
point_storage_mdq_rawNullable(String)
point_footnote_idNullable(String)
point_footnoteNullable(String)
ingested_atDateTime64(6, 'UTC')

Sample data

event_timeobserved_atreport_yearreport_quartersubmission_filenamefiling_row_indexpipeline_namecompany_idquarter_start_rawreport_date_raworiginal_revisedcontacttransport_unit_detailstorage_unit_detailtransport_unit_pointstorage_unit_pointheader_footnote_idheader_footnoteshipper_nameshipper_idshipper_affiliationrate_schedulecontract_numbercontract_effective_rawcontract_expiration_rawdays_to_next_expirationnegotiated_ratestransport_mdq_rawstorage_mdq_rawdetail_footnote_iddetail_footnoteagent_rawagent_footnote_idagent_footnotepoint_identifier_codepoint_namepoint_code_qualifierpoint_codezone_namepoint_transport_mdq_rawpoint_storage_mdq_rawpoint_footnote_idpoint_footnoteingested_at
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042779;2780;2781TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅VALLEY ENERGY, INC54086520NFT-A41707-FTATGP11/15/20024/30/2027∅N97170n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.UNION ENERGY SERVICES, INC., [N]∅∅M2STORAGE - NORTHERN95460018ZONE 497170∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042775;2776;2778TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅VALLEY ENERGY, INC54086520NFT-A41706-FTATGP11/15/20024/30/2027∅N10000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.UNION ENERGY SERVICES, INC., [N]∅∅MQVALLEY/TGP TOWANDA PA BRADFORD95420216ZONE 410000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042775;2776;2777TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅VALLEY ENERGY, INC54086520NFT-A41706-FTATGP11/15/20024/30/2027∅N10000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.UNION ENERGY SERVICES, INC., [N]∅∅M2TRANSCAN/TGP UDP NIAGARA RIVER NIAG95410902ZONE 510000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042771;2772;2774TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅VALLEY ENERGY, INC54086520NFT-A41705-FTATGP11/15/200210/31/2029∅N10000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.UNION ENERGY SERVICES, INC., [N]∅∅MQVALLEY/TGP TOWANDA PA BRADFORD95420216ZONE 410000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042771;2772;2773TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅VALLEY ENERGY, INC54086520NFT-A41705-FTATGP11/15/200210/31/2029∅N10000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.UNION ENERGY SERVICES, INC., [N]∅∅M2ENTRPRSE/TGP AGUA DULCE NUECES95411306ZONE 010000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC0000202504276;277;279TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅HARDEMAN FAYETTE UTILITY DISTRICT26357020NFS2141-FSMATGP9/1/199310/31/2030∅N054024n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.D2 ENERGY, LLC, [N]∅∅IJSTORAGE - PORTLAND - MA95460025ZONE 10360∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042734;;2736TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅TOTALENERGIES GAS & POWER NORTH AMERICA, INC.620059980NFT-A107759-FTATGP6/1/20137/31/2028∅N775000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.∅∅∅MQTRNSCO/TGP HEIDELBERG MISSISIPPI JA95420291ZONE 1762000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042763;2764;2770TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅VALLEY ENERGY, INC54086520NFT-A41704-FTATGP11/15/20024/30/2027∅N15000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.UNION ENERGY SERVICES, INC., [N]∅∅MQVALLEY/TGP TOWANDA PA BRADFORD95420216ZONE 415000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042763;2764;2769TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅VALLEY ENERGY, INC54086520NFT-A41704-FTATGP11/15/20024/30/2027∅N15000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.UNION ENERGY SERVICES, INC., [N]∅∅M2POOLING PT - 800 LEG - ZONE L95420998ZONE L3150∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042763;2764;2768TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅VALLEY ENERGY, INC54086520NFT-A41704-FTATGP11/15/20024/30/2027∅N15000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.UNION ENERGY SERVICES, INC., [N]∅∅M2POOLING PT - 500 LEG - ZONE L95420999ZONE L4330∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042763;2764;2767TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅VALLEY ENERGY, INC54086520NFT-A41704-FTATGP11/15/20024/30/2027∅N15000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.UNION ENERGY SERVICES, INC., [N]∅∅M2KINETICA/TGP COCODRIE 523 BLUEWATER95412883ZONE L2270∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042763;2764;2766TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅VALLEY ENERGY, INC54086520NFT-A41704-FTATGP11/15/20024/30/2027∅N15000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.UNION ENERGY SERVICES, INC., [N]∅∅M2ETP/TGP GILMORE PLANT RESIDUE HIDAL95412458ZONE 04200∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042763;2764;2765TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅VALLEY ENERGY, INC54086520NFT-A41704-FTATGP11/15/20024/30/2027∅N15000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.UNION ENERGY SERVICES, INC., [N]∅∅M2EASTRANS/TGP EAST TX PLANT DEHY PAN95410031ZONE 01050∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042760;;2762TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅UNITED STATES DEPARTMENT OF ENERGY361714736NFT-A60658-FTATGP12/1/200511/30/2027∅N31970n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.∅∅∅M2GULFSTH/TGP KILN MISS EXCHANGE HANC95420383ZONE L31970∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042760;;2761TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅UNITED STATES DEPARTMENT OF ENERGY361714736NFT-A60658-FTATGP12/1/200511/30/2027∅N31970n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.∅∅∅MQETNG/TGP GREENBRIER TN 2 (DUAL ROBE95420289ZONE 131970∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042757;;2759TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅UNIPER GLOBAL COMMODITIES NORTH AMERICA LLC79093350NFT-A392478-FTATGP4/1/202410/31/2025∅N500000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.∅∅∅M2POOLING PT-100 LEG-ZN 0-SOUTH95405345ZONE 0500000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC0000202504276;277;278TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅HARDEMAN FAYETTE UTILITY DISTRICT26357020NFS2141-FSMATGP9/1/199310/31/2030∅N054024n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.D2 ENERGY, LLC, [N]∅∅WRSTORAGE - PORTLAND - MA95460025ZONE 101106∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042757;;2758TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅UNIPER GLOBAL COMMODITIES NORTH AMERICA LLC79093350NFT-A392478-FTATGP4/1/202410/31/2025∅N500000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.∅∅∅MQGULFSTH/TGP COASTAL BEND LNG WHARTO9549524ZONE 0500000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042734;;2737TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅TOTALENERGIES GAS & POWER NORTH AMERICA, INC.620059980NFT-A107759-FTATGP6/1/20137/31/2028∅N775000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.∅∅∅M2UTICA EO/TGP KENSINGTON DEHY: RIP 295412868ZONE 4775000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042738;2739;2740TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅TRES PORT POWER LLC118613597NFT-A380124-FTATGP11/1/202210/31/2026∅N80000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.TWIN EAGLE RESOURCE MANAGEMENT, LLC, [N]∅∅MQ/TGP OLD BLOOMINGTON POWER 1 VICTOR9553654ZONE 080000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042738;2739;2741TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅TRES PORT POWER LLC118613597NFT-A380124-FTATGP11/1/202210/31/2026∅N80000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.TWIN EAGLE RESOURCE MANAGEMENT, LLC, [N]∅∅M2BANHUB/TGP BANQUETE TRANSPORT NUECE95412062ZONE 080000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042742;2743;2744TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅TRONOX LLC8286114NFT-A19883-FTATGP7/1/199712/31/2030∅N110000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.BP ENERGY COMPANY, [N]∅∅MQATMOS-MS/TGP HAMILTON MS LOWNDES95420411ZONE 1110000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042742;2743;2745TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅TRONOX LLC8286114NFT-A19883-FTATGP7/1/199712/31/2030∅N110000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.BP ENERGY COMPANY, [N]∅∅M2KINETICA/TGP COCODRIE 523 BLUEWATER95412883ZONE L110000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042753;;2756TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅UGI UTILITIES INC.799376595NFT-A362539-FTATGP11/1/202010/31/2026∅N31830n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.∅∅∅MQUGI UT/TGP MARIENVILLE PA FOREST95420173ZONE 410000∅∅2026-10-31 05:35:57.963869
2025-04-01 00:00:00.0000002026-10-31 05:35:57.66485820252iC00002025042746;;2747TENNESSEE GAS PIPELINE COMPANY, L.L.C.C0000204/1/20254/1/2025OCarlos Oblitas (713)420-5771DthDthDthDth∅∅UGI ENERGY SERVICES, LLC883504581NFT-A41201-FTATGP4/1/20033/31/2028∅N180000n1The Contract Primary Term Expiration Date has not passed. Contract may or may not continue under an "evergreen" or "rollover" provision.∅∅∅MQCON ED/TGP WHITE PLAINS NY WESTCHES95420093ZONE 5180000∅∅2026-10-31 05:35:57.963869

Coverage

Complete
1.1%
Gap days
4,246
Days with data
47
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