Merits and Demerits of Conventional Energy

In one line

Conventional energy is dense, storable and despatchable, and every one of its demerits is the price of those three properties.

What conventional means here

Coal, oil, natural gas, large hydro and nuclear. They are the sources that carry the load, and they share a family resemblance: each is a stock rather than a flow, each is concentrated in a small mass or a fixed site, and each is available when called for rather than when nature supplies it.

MU's 2024 paper places nuclear among the conventional sources expressly, asking how the utilisation of nuclear energy as a conventional energy source may be regulated. Follow the paper, and say why the classification is defensible: nuclear behaves like a conventional source because it is a stock, it is despatchable, and it runs on a fuel cycle rather than on the weather.

The merits, stated properly

Energy density. A tonne of coal or a kilogram of uranium carries a very large amount of energy in a very small mass. The land per unit of output is small, the storage is compact, and the transport is by rail, pipe or road rather than by wire alone. Density is the reason these sources industrialised the world, and it is a physical merit no policy can legislate away.

Despatchability. A thermal or nuclear station produces on command. That is the property the grid needs most, because, as the transmission chapter showed, supply must equal demand every instant. The Electricity Act's whole despatch machinery under Part V assumes there are machines that can be told to produce more.

Storability of the fuel. Coal at a pithead or a stockyard, gas in a pipeline, oil in a tank and fuel assemblies in a reactor core are energy held in reserve. Reserve is what makes a system survive a bad month.

Maturity of the law and the technology. Every one of these sources has a developed regulatory apparatus already taught in this book: the Mines and Minerals (Development and Regulation) Act and the coal statutes, the Oilfields (Regulation and Development) Act, the Atomic Energy Act and the nuclear liability legislation (both to be replaced by the Sustainable Harnessing and Advancement of Nuclear Energy for Transforming India Act, 2025, enacted in December 2025 but not in force as of September 2026), and the Electricity Act over all of them. A mature legal framework is a genuine merit, because a project can be financed against known law.

Employment and the settled economy around it. Coalfields, refineries and thermal stations support long-established workforces and the districts that depend on their revenue. The just transition problem in the last chapter of this module exists precisely because this merit is real.