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Technical Review
PT PLN (Persero) · Electricity Generation · 500 MW
FEASIBILITY STUDY REPORT
Java-Bali-3 CCGT Power Plant
500 MW Combined Cycle Gas Turbine · East Java
Prepared by: PT PLN (Persero) Engineering Division
Date: January 2024 | Rev: 3.0
1. EXECUTIVE SUMMARY
This feasibility study presents a comprehensive technical, financial and environmental assessment of the proposed Java-Bali-3 Combined Cycle Gas Turbine (CCGT) power plant with 500 MW installed capacity to be located in Sidoarjo Regency, East Java Province, Indonesia...
1.1 Project Background
PT PLN (Persero) proposes the development of the Java-Bali-3 CCGT power plant as part of the national electricity development plan (RUPTL 2023-2032) to address projected electricity demand growth of 8.3% per year in the Java-Bali system...
1.2 Project Location
The project site is located at Desa Bligo, Kecamatan Candi, Kabupaten Sidoarjo, East Java Province. Coordinates: 7°26'S, 112°43'E. Site area: 42 hectares. Grid connection: Krian 150kV Substation (4.2km distance)...
1.3 Technical Summary
Technology: 3 × GE 7F.05 gas turbines in combined cycle configuration. Installed capacity: 3 × 166.7 MW = 500 MW. Primary fuel: Natural gas (supply from PGN pipeline). Backup fuel: High Speed Diesel (HSD). Expected plant factor: 85%. Annual generation: ~3,723 GWh...
2. DEMAND ANALYSIS
The Java-Bali system peak demand reached 28,476 MW in 2023, growing at 7.8% CAGR. Forecast peak demand 2026: 35,120 MW. Current reserve margin: 22.4%. After commissioning of this project, system reserve margin will improve to 26.1%...
3. TECHNICAL ASSESSMENT
The GE 7F.05 gas turbine is proven technology with over 850 units installed worldwide. Efficiency (LHV basis): 39.2% open cycle, 58.1% combined cycle. The proposed configuration achieves net plant efficiency of 56.8% (LHV), exceeding BREN minimum efficiency standard of 55%...
4. GRID CONNECTION ANALYSIS
Connection to the Java-Bali 150kV transmission grid via new 4.2km overhead transmission line to Krian 150kV substation. Preliminary load flow study (using PSSE software) indicates acceptable voltage profile under N-0 conditions. N-1 contingency analysis pending (to be submitted separately)...
⚠ Note: N-1 contingency analysis required — pending submission per BREN Technical Query dated 5 Apr 2024
5. ENVIRONMENTAL ASSESSMENT
Environmental Impact Assessment (AMDAL) submitted to Ministry of Environment and Forestry (KLHK) on 15 December 2023. AMDAL reference: AMDAL/2023/KLHK/00892. Approval expected Q2 2024. Key environmental considerations: air quality (NOx/SOx limits), noise, water use, thermal discharge...
6. FINANCIAL ANALYSIS
Total project cost: IDR 8,500 billion. Financing: 30% equity (IDR 2,550B), 70% debt (IDR 5,950B). Lenders: Bank Mandiri, BNI, BRI. Tariff: IDR 987/kWh (BPP basis). Project IRR (equity): 14.2%. Project NPV (10% discount): IDR 1,840 billion. DSCR average: 1.34x (Yr 1-10), 1.19x (Yr 3-5)...
Technical Review Checklist
Budi Santoso · Due: 15 Apr 2024
Technology & Equipment
✓
Technology type acceptable per BREN standards
✓
Equipment OEM documentation verified
✓
Plant efficiency ≥55% LHV (combined cycle)
—
Backup fuel system documented
Grid Connection
?
N-1 contingency analysis submitted
?
Load flow study approved by PLN P3B
✓
Grid connection voltage (150kV) acceptable
Environmental & Land
✗
AMDAL certificate uploaded & valid
✓
Land area sufficient for project (≥30 Ha)
✓
Site coordinates in non-restricted zone
Project Schedule
✓
Construction timeline realistic
✓
EPC contractor pre-qualified
✓
COD within license validity period
Technical Assessment Score
Passed9
Pending2
Failed1
N/A1
Technical Recommendation