OPG Power Ventures (LON:OPG), the generator based in India, said its 180 megawatt Chennai IV plant had gone into full commercial operation.
Its installed capacity in Tamil Nadu state now totals 450 megawatts. In additional it generates 150 megawatts in Gujurat with a further 150 coming on line in September.
Chief executive Arvind Gupta said: "We have demonstrated our ability to build and deliver two geographically diversified assets of significant size, together with all the supporting logistics, at the same time.
“We will continue to ramp up electricity generation from our newly commissioned units over the coming weeks."
Chennai IV will sell its output to the Tamil Nadu Generation and Distribution Company for 5.50 rupees per kilowatt hour effective until September.
With OPG set to hit 750 megawatts later this year, it is eyeing further capacity expansion to over 2,000 Mw, according to City broker Sanlam.
Analyst Mark Cartlich in a recent note said the firm has the land to expand with the capacity for another 600 megawatts possible in Gujarat and 750 in Chennai.
It also has the possibility to develop up to 300 megawatts of renewable power from a mixture of wind and solar production.
Demand for electricity per head of population in India is rising strongly yet supply remains constrained.
However, the outlook in India is looking brighter, due to, among other factors, Prime Minister Modi’s economic stance.
In February, City firm Investec noted: "OPG is likely to ‘grow with India’ and consider investments across a broad technology spectrum from fossil-fuel fired power plants to renewables.
“We see a strong rationale for OPG to participate in this process.
"It would involve OPG gradually becoming a multi-technology electricity generator, with diversification benefits in terms of operations.”