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PT Grand Indonesia (IDN)

Jenbacher J620 gas engines provide half of peak load power for Grand Indonesia Shopping Town

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“Indeed, Jenbacher gas engines have proven to be much more efficient than alternative engines. Since electricity tariffs are high and will tend to increase further, PT Grand Indonesia values the possibility of becoming grid independent if economic challenges continue to grow.”

Pak Slamet Ristono, PT Grand Indonesia


PT Grand Indonesia manages Grand Indonesia Shopping Town (GIST), a magnificent, multi-use complex of retail shops, offices, and hotel and apartment lodgings in Jakarta, Indonesia. To obtain the 27.8 MVA of electricity it needs to operate, the mall must burn more than 560,000 cubic meters of fuel each month—causing the utility to spend about 50% of its operational expenses on fuel and electricity.


Instead of resorting to prohibitively expensive power generation from engines that burn other available fuels, GIST chose a much more cost-effective natural gas option using INNIO’s Jenbacher gas engines. In 2007, six Jenbacher J620 gas engines, each with a 2.7 MW power output, were installed at GIST to operate during peak hours from 6 p.m. to 10 p.m.


The Jenbacher J620 distributed power units deliver half of the complex’s peak load power needs. And in case of a blackout, the engines can run in island mode and provide base load operation. GIST also has posted impressive environmental protection achievements. In 2011, it won the Platinum Award for Green Building Certification, and in 2012, it won the Energy ASEAN award, in large part because the Jenbacher gas engines reduced CO2 emissions by more than 50% compared to the mall’s emissions when using power from the grid. According to PT Grand Indonesia’s general manager of engineering and maintenance, Pak Slamet Ristono, distributed power from INNIO is a faster, more flexible and more reliable power solution to cover the mall’s total peak load during peak hours.

Customer benefits

INNIO’s J620 technology provides GIST with:

  • Approximately 50% of flexible, reliable peak load power
  • Reduced environmental impact, with CO2 emissions reduced by more than 12,744,000 kg annually
  • Significantly lower energy costs than engines burning other available fuels


Jakarta, Indonesia

Installed engines

 6 x J620

Electrical output

 16.2 MW

Electrical efficiency


Energy source

Pipeline gas




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