IOC's nine refineries operated at 103.5 per cent of the installed capacity in the fiscal, IOC Director (Refineries) Sanjiv Singh said.
"IOC's nine refineries also marked the best-ever combined distillate yield of 80.5 per cent, surpassing the previous best of 78.8 per cent during 2014-15," a company statement quoted Singh as saying.
Singh said that with focused efforts towards energy conservation, the refineries achieved lowest fuel and loss (F&L), Specific Energy Consumption (MBN) and Energy Intensity Index (EII) at 8.53 per cent, 53.8 and 101.2 respectively, as compared to the previous best of 8.77 per cent, 54.4 and 104.5 for the year 2014-15.
The commissioning of 15 million tonnes a year Paradip refinery in Odisha IOC's refining capacity to 69.2 million tonnes per annum.
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The commissioning of INDMAX Unit at Paradip (4.17 MMTPA), based on the indigenous technology developed by its R&D Centre was another golden milestone of global recognition as a technology supplier.
Continuing with indigenous technologies, IOC on March 6 laid the foundation stone of the ambitious OCTAMAX project at Mathura Refinery. The refinery also commissioned New Propylene Recovery Unit (NPRU) in May 2015, to produce polymer-grade propylene with high purity.
Several new projects have been approved during 2015-16. To meet Euro-VI fuel supply requirement by 2020, various revamps and installation of new units are envisaged at Gujarat, Panipat, Mathura, Haldia, Digboi and Bongaigaon refineries?.
In Guwahati, Euro-VI petrol compliance will be achieved with the commissioning of INDAdept-G & Catalyst replacement of HDT unit. Paradip Refinery is ready for supply of Euro-VI grade diesel, it said.
"Past several years have witnessed extreme volatility in global oil markets, riding the tide of rise and subsequent fall in the world crude oil and petroleum product prices. In this context, year 2015-16 was an eventful year for all stakeholders," IOC said.