Explainers

What the numbers mean for you.

What India’s energy shift means for your electricity bill, the grid and the climate, explained in plain language, with every number sourced.

Carbon

How much CO2 did India’s renewables avoid? Our method, step by step

Our estimate for 2025-26 is 320 million tonnes of carbon dioxide avoided including large hydro, or 207.6 million without it, and this is exactly how we worked it out.

By Anurag, 6 November 2026

The grid

Why coal still carries India’s evenings, even as solar booms

On the day India set its all-time demand record, solar supplied close to a third of the grid’s power at midday and none after 7.30 pm. Here is why the evening still falls to coal, and what is being built to change that.

By Anurag, 6 November 2026

Rooftop solar

What rooftop solar actually saves on a Maharashtra electricity bill

A worked example for a flat and a bungalow, using Mahavitaran’s 2026-27 tariff, the PM Surya Ghar subsidy and a standard solar estimate for Pune, with every number sourced.

By Anurag, 6 November 2026