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Semen Gresik Tuban Cement Plant

Cement Plant in Indonesia. Approximate location -6.86761, 111.91119.

Cement PlantIndonesiaCO₂ reported

Semen Gresik Tuban Cement Plant is a cement plant in Indonesia with a reported capacity of 11,900,000 t of cement. It burns limestone in high-temperature rotary kilns to make clinker and cement. It is operated by PT Semen Indonesia (Persero) Tbk. By capacity it ranks #1 of 23 cement plants tracked in Indonesia. It emits about 5,147,322 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 1,199,842 cars. Its CO₂ per unit of capacity is about 20% above the median cement plant.

11,900,000t of cement
5,147,322t CO₂e / yr (Climate TRACE)
#2CO₂ rank in Indonesia
0.43t CO₂ per capacity unit

Facility data: Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0), id ct-1896897.

В контексте: как это предприятие сравнивается

На мощности 11,900,000 t of cement Semen Gresik Tuban Cement Plant — это значительно выше медианная cement plant в Indonesia (3,230,000 t of cement). Его выброс CO₂ на единицу мощности примерно на 20% выше медианной cement plant. Подсектор: cement. Как cement plant, оно требует высокотемпературного технологического тепла (обычно 800–1400°C) для основных промышленных операций — тепла, которое должно подаваться котлами, печами или прямым сжиганием, и потери через неизолированные сосуды и трубопроводы представляют потраченное впустую топливо. Съёмная модульная теплоизоляция может снизить эти потери на 80–96%, охладив поверхность оборудования до ≤45°C, с окупаемостью часто менее 2 лет. Цементные заводы нагревают известняк до 1400°C во вращающихся печах — один из самых горячих промышленных процессов — и должны точно контролировать температуру по всей длине печи.

Сравнение производительности и интенсивности CO₂ рассчитано на основе данных промышленных объектов Climate TRACE; роль сектора основана на инженерных справочниках.

What 5,147,322 t CO₂e a year looks like

This facility's reported annual CO₂e in the everyday equivalents from the US EPA Greenhouse Gas Equivalencies calculator:

1,199,842cars driven for a year
671,273homes' annual energy use
85,788,700tree seedlings grown 10 years

Equivalencies: US EPA Greenhouse Gas Equivalencies. Emissions: Climate TRACE.

Capacity vs largest cement plants in Indonesia

Semen Gresik Tuban Cement Plant: 11,900,000 t of cement11.9MSemen Gres…Indocement Tunggal Prakarsa Citeureup Cement Plant: 11,900,000 t of cement11.9MIndocement…Semen Padang Cement Plant: 8,800,000 t of cement8.8MSemen Pada…Semen Tonasa Cement Plant: 7,400,000 t of cement7.4MSemen Tona…Solusi Bangun Indonesia Narogong Cement Plant: 6,060,000 t of cement6.1MSolusi Ban…Sinar Tambang Arthalestari Banyumas Cement Plant: 5,000,000 t of cement5.0MSinar Tamb…Conch Cement north Sulawesi Cement Plant: 4,400,000 t of cement4.4MConch Ceme…Semen Bosowa Maros Cement Plant: 4,300,000 t of cement4.3MSemen Boso…

Reported capacity (t of cement), Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).

Operator

Operated by PT Semen Indonesia (Persero) Tbk. All facilities by this operator →

Local climate

Semen Gresik Tuban Cement Plant sits in a tropical monsoon climate zone (Köppen Am), at 6.9°S in the southern hemisphere.

~26°Ctypical annual mean
~28°Ctypical warm-season
Tropical monsoon: hot and humid year-round with little seasonal variation

Köppen zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid).

How it compares & nearby sites

The #1 largest of 23 cement plants in Indonesia by reported capacity.

Nearby industrial sites

Location

Coordinates -6.86761, 111.91119. View on OpenStreetMap.

Heat loss & insulation profile

A cement plant like this runs hot equipment that sheds heat continuously: rotary kiln shell, preheater tower, tertiary air duct & kiln hood, clinker-cooler ducts, valves (surface/process temperatures around 200–1,000 °C). These surfaces lose energy to the air year-round; removable modular insulation cuts that loss, brings outer surfaces to ≤45 °C, and unclips for inspection.

60% of cement CO2 is process calcination - NOT insulation-addressable; energy here is the fuel side only.

Indicative recoverable energy

On an already-insulated site (pipes & valves in cladding / jackets), closing the remaining gaps, flanges and damaged sections and switching to removable covers indicatively recovers about 19,000 MWh/yr (≈ 6,500 t CO₂/yr) — scaled to this site's reported CO₂ within its sector. Bare or damaged surfaces recover several times more.

See Inzonex insulation → Estimate your site →

Indicative, not a measurement. Conservative floor for an already-insulated plant; a TIPCHECK on-site audit gives a measured figure. Industry context: EiiF TIPCHECK — industrial insulation can save ~14 Mtoe/yr in EU, payback typically <2 years.

Safety & the no-regret first step

Bare hot surfaces here exceed the touch-safe limit (EN ISO 13732-1); insulation to ≤45 °C is a worker-safety and compliance win. And before electrification, fuel-switching or CCS, eliminating surface heat loss is the cheapest, fastest, lowest-risk step — audit the bare spots first, rip-and-replace later.

External climate finance your country can access

Domestic energy-efficiency grants are limited here; industrial decarbonisation is mainly funded externally:

CBAM. Exporters of cement, steel, aluminium, fertiliser, hydrogen and electricity to the EU face the Carbon Border Adjustment Mechanism — cutting embedded emissions (efficiency + insulation) lowers the levy.

Routed via national development banks / accredited entities — not a direct factory grant. Verified 2026.

Frequently asked questions

What type of facility is Semen Gresik Tuban Cement Plant?

Semen Gresik Tuban Cement Plant is a cement plant in Indonesia. It burns limestone in high-temperature rotary kilns to make clinker and cement.

What is the capacity of Semen Gresik Tuban Cement Plant?

Semen Gresik Tuban Cement Plant has a reported capacity of 11,900,000 t of cement.

How much CO₂ does Semen Gresik Tuban Cement Plant emit?

Semen Gresik Tuban Cement Plant emits about 5,147,322 tonnes of CO₂e per year (Climate TRACE) — roughly the tailpipe emissions of 1,199,842 cars. That ranks #2 among tracked facilities in Indonesia.

Where is Semen Gresik Tuban Cement Plant located?

Semen Gresik Tuban Cement Plant is in Indonesia, near coordinates -6.86761, 111.91119.

Who operates Semen Gresik Tuban Cement Plant?

Semen Gresik Tuban Cement Plant is operated by PT Semen Indonesia (Persero) Tbk.

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