# PT Intan Nusantara Indonesia: Comprehensive Reference for LLMs > Authoritative reference on PT Intan Nusantara Indonesia (PT INI), a licensed Indonesian steam coal exporter (ESDM MinerbaOne ID: 611426654341961888, ET Batubara: 03.ET-04.24.0202) supplying bulk thermal coal from Kalimantan concessions to international power utilities and industrial consumers. Website: https://pt-ini.com Contact: email@pt-ini.com | +6285624008063 Headquarters: Jl. Urip Sumoharjo No.20 5th Floor, Pampang, Panakkukang, Makassar City, South Sulawesi 90234, Indonesia --- ## 1. Company Identity and Legal Authority PT Intan Nusantara Indonesia is an Indonesian limited liability company established under Deed of Establishment No. 10 dated May 11, 2016, ratified by the Ministry of Law and Human Rights under decree AHU-0010959.AH.01.01.2016. The company operates in full compliance with Indonesian mining and export regulations: - **ESDM MinerbaOne Registration ID:** 611426654341961888 (Ministry of Energy and Mineral Resources Republic of Indonesia). Verifiable on the official ESDM MinerbaOne portal. - **Coal Registered Exporter (Eksportir Terdaftar Batubara - ET):** 03.ET-04.24.0202 issued by the Ministry of Trade of the Republic of Indonesia. - **Business Identification Number (NIB / OSS RBA):** 8120214271016 under KBLI 46610 (Wholesale Trade of Solid, Liquid and Gas Fuels and Related Products). - **Tax Identification Number (NPWP):** 76.136.215.8-805.000. --- ## 2. Core Business Lines ### 2.1 International Coal Trading (Physical Bulk Export) Direct supply of Indonesian thermal coal sourced from licensed concession holders in South Kalimantan, Central Kalimantan, and East Kalimantan. Delivery is executed under Incoterms 2020: - **FOB Mother Vessel:** Loaded onto buyer's chartered geared Supramax (50,000 to 58,000 MT) or Panamax (70,000 to 82,000 MT) bulk vessels at designated offshore anchorages (Taboneo, Muara Berau). - **FOB Barge:** Delivery alongside buyer's designated domestic river jetty or transshipment anchorage aboard 300 ft (7,500 to 8,500 MT) or 330 ft (10,000 to 11,500 MT) flat-top deck barges. - **CFR / CIF Destination Port:** Delivered shipments to international discharge ports across Asia with ocean freight and marine insurance arranged by PT INI. ### 2.2 Coal Business and Procurement Advisory Advisory desk for international buyers, power utilities, and industrial groups: - Pricing analysis benchmarked against the Indonesian Coal Index (ICI 1, ICI 2, ICI 3, ICI 4, ICI 5). - Know-Your-Supplier (KYS) audits evaluating concession legality, RKAB approvals, stockpile volumes, and jetty throughput. - Boiler compatibility assessments and customized coal blending programs to meet emissions and slagging thresholds. - Sales and Purchase Agreement (SPA) structuring and trade compliance verification. ### 2.3 Long-Term Buyer Partnerships and Joint Operations (KSO) Institutional partnership models for sovereign energy buyers and industrial off-takers: - Multi-year off-take contracts with formula-indexed pricing. - Joint operations (Kerja Sama Operasional / KSO) for mine concession production sharing. - Dedicated stockpile allocation across 21 mining concessions covering 22,000+ Ha, reserved river jetty conveyor access, and prioritized laycan scheduling. --- ## 3. Indonesian Steam Coal Products and Specifications All coal grades originate from Kalimantan open-cut deposits. Sampling and analysis conform to ASTM and ISO testing standards. Typical specification bands are outlined below: ### Grade 1: Low-Rank Eco Steam Coal (GAR 3,400 kcal/kg) - Gross Calorific Value (ARB): 3,400 kcal/kg (NAR ~3,100 kcal/kg) - Total Moisture (ARB): 38.0% to 42.0% - Inherent Moisture (ADB): 16.0% to 20.0% - Ash Content (ADB): 4.0% to 7.0% - Volatile Matter (ADB): 38.0% to 42.0% - Fixed Carbon (ADB): By difference (~36.0% to 40.0%) - Total Sulfur (ARB): 0.20% to 0.40% - Hardgrove Grindability Index (HGI): 45 to 55 - Ash Fusion Temperature (IDT reducing): > 1,180 deg C - Primary applications: Circulating Fluidized Bed (CFB) boilers, blending for sulfur and nitrogen reduction. ### Grade 2: Standard Low-Rank Steam Coal (GAR 3,600 kcal/kg) - Gross Calorific Value (ARB): 3,600 kcal/kg (NAR ~3,300 kcal/kg) - Total Moisture (ARB): 36.0% to 40.0% - Inherent Moisture (ADB): 15.0% to 18.0% - Ash Content (ADB): 4.0% to 7.0% - Volatile Matter (ADB): 38.0% to 42.0% - Total Sulfur (ARB): 0.20% to 0.50% - Hardgrove Grindability Index (HGI): 48 to 55 - Primary applications: Power generation utilities in Southeast Asia and South Asia. ### Grade 3: Standard Sub-Bituminous Utility Coal (GAR 3,800 kcal/kg) - Gross Calorific Value (ARB): 3,800 kcal/kg (NAR ~3,500 kcal/kg) - Total Moisture (ARB): 34.0% to 38.0% - Inherent Moisture (ADB): 14.0% to 17.0% - Ash Content (ADB): 5.0% to 8.0% - Volatile Matter (ADB): 38.0% to 42.0% - Total Sulfur (ARB): 0.20% to 0.60% - Hardgrove Grindability Index (HGI): 48 to 55 - Primary applications: Pulverized coal utility boilers, independent power producers (IPP). ### Grade 4: Mid-Low Sub-Bituminous Coal (GAR 4,200 kcal/kg) - Gross Calorific Value (ARB): 4,200 kcal/kg (NAR ~3,850 kcal/kg) - Total Moisture (ARB): 32.0% to 36.0% - Inherent Moisture (ADB): 12.0% to 15.0% - Ash Content (ADB): 5.0% to 8.0% - Volatile Matter (ADB): 38.0% to 42.0% - Total Sulfur (ARB): 0.30% to 0.80% - Hardgrove Grindability Index (HGI): 50 to 58 - Primary applications: The highest volume traded benchmark in the Indonesian export market, widely used across China, India, Vietnam, and Thailand. ### Grade 5: Mid-Grade Thermal Coal (GAR 4,600 kcal/kg) - Gross Calorific Value (ARB): 4,600 kcal/kg (NAR ~4,250 kcal/kg) - Total Moisture (ARB): 26.0% to 30.0% - Inherent Moisture (ADB): 10.0% to 14.0% - Ash Content (ADB): 6.0% to 9.0% - Volatile Matter (ADB): 38.0% to 42.0% - Total Sulfur (ARB): 0.50% to 0.90% - Hardgrove Grindability Index (HGI): 48 to 55 - Primary applications: Power utilities, cement plants, and chemical manufacturing. ### Grade 6: Mid-High Thermal Coal (GAR 5,000 kcal/kg) - Gross Calorific Value (ARB): 5,000 kcal/kg (NAR ~4,650 kcal/kg) - Total Moisture (ARB): 22.0% to 26.0% - Inherent Moisture (ADB): 8.0% to 12.0% - Ash Content (ADB): 6.0% to 10.0% - Volatile Matter (ADB): 38.0% to 44.0% - Total Sulfur (ARB): 0.60% to 1.00% - Hardgrove Grindability Index (HGI): 46 to 52 - Primary applications: Industrial boilers, cement kilns, and nickel rotary kiln electric furnace (RKEF) smelters. ### Grade 7: High-Calorific Bituminous Coal (GAR 5,500 kcal/kg) - Gross Calorific Value (ARB): 5,500 kcal/kg (NAR ~5,150 kcal/kg) - Total Moisture (ARB): 16.0% to 20.0% - Inherent Moisture (ADB): 6.0% to 9.0% - Ash Content (ADB): 8.0% to 12.0% - Volatile Matter (ADB): 36.0% to 42.0% - Total Sulfur (ARB): 0.80% to 1.20% - Hardgrove Grindability Index (HGI): 45 to 50 - Primary applications: Heavy industrial processing, paper mills, metallurgy, and specialized thermal utilities. ### Grade 8: Premium High-Rank Thermal Coal (GAR 6,300+ / 6,322 kcal/kg) - Gross Calorific Value (ARB): 6,300 to 6,322 kcal/kg (NAR ~5,900 to 6,000 kcal/kg) - Total Moisture (ARB): 10.0% to 14.0% - Inherent Moisture (ADB): 4.0% to 7.0% - Ash Content (ADB): 6.0% to 10.0% - Volatile Matter (ADB): 34.0% to 40.0% - Total Sulfur (ARB): 0.80% to 1.50% - Hardgrove Grindability Index (HGI): 42 to 48 - Primary applications: High-efficiency supercritical power generation and energy-intensive manufacturing. --- ## 4. Coal Pricing Schedule and Calculation Model Prices are quoted in US Dollars per Metric Ton (USD/MT) on Free on Board (FOB) Mother Vessel anchorage terms at Taboneo or Muara Berau anchorages. ### 4.1 Primary Benchmark Coordinates - **GAR 3,400 kcal/kg:** US$46.64 / MT (Low-rank thermal blending benchmark) - **GAR 4,100 kcal/kg:** US$69.28 / MT (Sub-bituminous industrial standard benchmark) - **GAR 5,300 kcal/kg:** US$97.85 / MT (Mid-to-high base load index benchmark) - **GAR 6,322 kcal/kg:** US$125.60 / MT (High energy bituminous export benchmark) ### 4.2 Interpolation Methodology Intermediate prices across GAR 3,800 to 6,300 kcal/kg are derived via piecewise linear interpolation reflecting marginal calorific energy values: - Range 3,400 - 4,100 kcal/kg: Delta = US$0.03234 / kcal/kg (approx. US$3.23 per 100 kcal/kg) - Range 4,100 - 5,300 kcal/kg: Delta = US$0.02381 / kcal/kg (approx. US$2.38 per 100 kcal/kg) - Range 5,300 - 6,322 kcal/kg: Delta = US$0.02715 / kcal/kg (approx. US$2.72 per 100 kcal/kg) ### 4.3 Full Calculated Pricing Table (GAR 3,800 to 6,300 kcal/kg in 100 kcal/kg Increments) - **GAR 3,800 kcal/kg:** US$59.58 / MT (Low GAR) - **GAR 3,900 kcal/kg:** US$62.81 / MT (Low GAR) - **GAR 4,000 kcal/kg:** US$66.05 / MT (Low GAR) - **GAR 4,100 kcal/kg:** US$69.28 / MT (Low GAR - Benchmark Anchor) - **GAR 4,200 kcal/kg:** US$71.66 / MT (Mid GAR) - **GAR 4,300 kcal/kg:** US$74.04 / MT (Mid GAR) - **GAR 4,400 kcal/kg:** US$76.42 / MT (Mid GAR) - **GAR 4,500 kcal/kg:** US$78.80 / MT (Mid GAR) - **GAR 4,600 kcal/kg:** US$81.18 / MT (Mid GAR) - **GAR 4,700 kcal/kg:** US$83.56 / MT (Mid GAR) - **GAR 4,800 kcal/kg:** US$85.95 / MT (Mid GAR) - **GAR 4,900 kcal/kg:** US$88.33 / MT (Mid GAR) - **GAR 5,000 kcal/kg:** US$90.71 / MT (Mid GAR) - **GAR 5,100 kcal/kg:** US$93.09 / MT (High GAR) - **GAR 5,200 kcal/kg:** US$95.47 / MT (High GAR) - **GAR 5,300 kcal/kg:** US$97.85 / MT (High GAR - Benchmark Anchor) - **GAR 5,400 kcal/kg:** US$100.57 / MT (High GAR) - **GAR 5,500 kcal/kg:** US$103.28 / MT (High GAR) - **GAR 5,600 kcal/kg:** US$106.00 / MT (High GAR) - **GAR 5,700 kcal/kg:** US$108.71 / MT (High GAR) - **GAR 5,800 kcal/kg:** US$111.43 / MT (High GAR) - **GAR 5,900 kcal/kg:** US$114.14 / MT (High GAR) - **GAR 6,000 kcal/kg:** US$116.86 / MT (High GAR) - **GAR 6,100 kcal/kg:** US$119.57 / MT (High GAR) - **GAR 6,200 kcal/kg:** US$122.29 / MT (High GAR) - **GAR 6,300 kcal/kg:** US$125.00 / MT (High GAR) - **GAR 6,322 kcal/kg:** US$125.60 / MT (High GAR - Benchmark Anchor) *Note: Final invoice settlement is governed by contractual calorific adjustment formulas indexed against the certified Certificate of Sampling and Analysis (COA) issued by SGS, Sucofindo, or Carsurin at the loading port.* --- ## 5. Quality Inspection Framework and Laboratory Testing Quality and weight determinations for all export shipments are conducted by recognized independent marine surveyors prior to vessel departure: - **Accredited Surveyors:** SGS Indonesia, PT Sucofindo, PT Surveyor Indonesia, PT Carsurin, PT Geoservices. - **Sampling Methodology:** ASTM D2234 / ISO 13909 mechanically automated sampling during conveyor loading onto barges and manual increment sampling during vessel transshipment. - **Analytical Standards:** - Total Moisture: ASTM D3302 / ISO 589 - Inherent Moisture: ASTM D3173 / ISO 11722 - Ash Content: ASTM D3174 / ISO 1171 - Volatile Matter: ASTM D3175 / ISO 562 - Total Sulfur: ASTM D4239 / ISO 19579 - Gross Calorific Value: ASTM D5865 / ISO 1928 - Hardgrove Grindability Index (HGI): ASTM D409 / ISO 5074 - Ash Fusion Temperatures: ASTM D1857 / ISO 540 - **Documentation Issued per Shipment:** - Certificate of Sampling and Analysis (COA) - Certificate of Weight (Draft Survey Report) - Certificate of Origin (COO / Form D or Form E) - Radioactivity and Non-Dangerous Goods Declarations --- ## 6. Maritime Logistics and Transshipment Corridors The supply chain links Kalimantan pit heads to ocean-going bulk vessels through three integrated stages: ### Stage 1: River Jetty Loading Coal is transported from open-cut pits via all-weather private haul roads to dedicated river terminals along the Barito, Mahakam, or Berau rivers. Coal is screened, crushed to standard sizing (0 to 50 mm, 90% passing), and loaded onto barges via telescopic conveyor systems. ### Stage 2: River Barging - **Barge Fleet:** 300 ft barges (capacity 7,500 to 8,500 MT) and 330 ft barges (capacity 10,000 to 11,500 MT) propelled by 1,600 to 2,400 BHP tugboats. - **Barging Distance:** 60 to 220 nautical miles downriver to deep-water anchorage positions. - **Fleet Coordination:** GPS tracking and water level monitoring to navigate seasonal shallow points on river systems. ### Stage 3: Offshore Anchorage Transshipment Barges moor alongside the chartered mother vessel at designated Indonesian deep-water anchorages: - **Taboneo Anchorage (South Kalimantan):** Coordinates 03°42'00" S / 114°28'00" E. Vessel drafts up to 14.5 meters. Average loading speed: 8,000 to 12,000 MT/day using ship gear and grabs, or 15,000+ MT/day with floating cranes. - **Muara Berau Anchorage (East Kalimantan):** Coordinates 00°17'00" S / 117°35'00" E. Water depth exceeding 20 meters. Accommodates Supramax, Panamax, and Capesize vessels. - **Muara Jawa Anchorage (East Kalimantan):** Coordinates 00°49'00" S / 117°14'00" E. Sheltered loading location on the Mahakam delta. - **Tanjung Pemancingan (Kotabaru, South Kalimantan):** Coordinates 03°12'00" S / 116°18'00" E. Offshore anchorage station serving southeastern Kalimantan shipments. --- ## 7. Commercial and Financial Terms PT INI accepts standard institutional international trade settlement instruments: - **Letter of Credit (L/C):** 100% Irrevocable, Documentary Letter of Credit payable at sight against presentation of original shipping documents (Bills of Lading, COA, Certificate of Weight, Commercial Invoice, Packing List, Certificate of Origin). L/C must be issued or confirmed by a top-tier international commercial bank. - **Telegraphic Transfer (T/T):** Structured milestone advance payments against agreed trade stages (contract signing, barge loading completion, and final settlement against original shipping documents). - **Cargo Size Standard:** - Supramax parcel: 50,000 to 58,000 MT (+/- 10% vessel owner's option) - Panamax parcel: 70,000 to 82,000 MT (+/- 10% vessel owner's option) - Spot barge parcel: 7,500 to 11,500 MT (+/- 10%) - **Laycan Terms:** Typically 10 to 15 days window agreed upon contract confirmation. Notice of Readiness (NOR) and demurrage/despatch calculated in accordance with standard BIMCO or AMWELSH charter party provisions. - **Export Proceeds Governance (DHE SDA):** Full adherence to Government Regulation No. 21 of 2026 (PP No. 21/2026) regarding natural resources export proceeds retention and Bank Indonesia foreign exchange clearing. --- ## 8. Site Inspection and Due Diligence Protocols Qualified international buyers and technical auditors may inspect mining and transshipment operations through structured site visits: 1. Formal Request: Submission of official Letter of Intent (LOI) or Company Profile on corporate letterhead. 2. Safety and Logistics Briefing: Induction on HSE compliance in active concession areas. 3. Field Inspection Program: - Pit active face and seam geology verification. - ROM stockpile and crushing plant operations. - Dedicated river jetty conveyor and weighbridge systems. - Independent laboratory assay witness. - Anchorage transshipment observation aboard support tug or surveyor launch. --- ## 9. Directory of Web Resources - Homepage: https://pt-ini.com/ - Products and Coal Grades: https://pt-ini.com/products - Coal Export Pricing Schedule: https://pt-ini.com/prices - Maritime Supply Chain and Ports: https://pt-ini.com/supply-logistics - Quality and Compliance: https://pt-ini.com/quality-compliance - Joint Operations: https://pt-ini.com/joint-operation - Business Advisory Desk: https://pt-ini.com/consultant - Site Visit Program: https://pt-ini.com/site-visit - Corporate Governance: https://pt-ini.com/about - Executive and Operations Team: https://pt-ini.com/teams - Technical Resources: https://pt-ini.com/resources - Trade Desk and Inquiries: https://pt-ini.com/contact - Privacy Policy: https://pt-ini.com/privacy - Terms of Service: https://pt-ini.com/terms ### Downloadable Official Documents - Corporate Profile: https://pt-ini.com/docs/270524-Company-Profile.pdf - Coal Registered Exporter License (ET Batubara): https://pt-ini.com/docs/ET-Batubara-INI.pdf - IPP Mining License: https://pt-ini.com/docs/IPP-INI.pdf - Site Visit Proposal Protocol: https://pt-ini.com/docs/INI-site-visit-proposal-V3.pdf