The question has to be asked. "What is the best way to provide reliable power to new customers"? Building thousands of kilometers of transmission and distribution lines, terminal stations, zone substations and substations alongside the building of a gigantic coal mine and coal fired generators to "Deliver" all these people in India out of energy poverty, or the building of localised distribution networks and distributed generation from likely renewable sources (Backed up by energy storage, which is rapidly becoming feasible on the grid scale) I somehow doubt that Adani's motivations are quite so altruistic.
I am not going to use the term "Base load power" as that is a corruption of the term, willingly pushed by the current federal government as it makes a nice sound bite. Base load actually referred to the minimum load that was required/desired for stability's sake when coal fired generation was pretty much it and was intended to overcome a disadvantage inherent to big coal fired plants. They take ages to spin up or shut down so they want a minimum demand to keep assets hot and working, a "Base load" (Load being a measure of demand, not a measure of supply) and is what led to very cheap "Off peak" rates for electric hot water among other things, to shift consumption into the overnight lull and keep the load up and generators running. It is ironic that a major drawback of large coal fired generators is now painted as a virtue. "We really, really don't want to shut this thing down and fire it up again all the time and are prepared to sell you power overnight for a pittance to get you to use some then" has morphed into "We are reliable and always available"
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