India's renewable energy sector generated 177.66 billion units between April and August 2026, reaching 55% of its yearly goal. While green energy's share of the power mix is growing, coal remains the primary source, accounting for 69% of the projected annual output.
India has seen a rapid increase in green energy production during the first five months of the current fiscal year. According to the Central Electricity Authority, the renewable energy sector generated 177.66 billion units of electricity from April through August 2026. This performance puts the country on a strong trajectory to surpass its full-year projection of 325 billion units.
The sector's contribution becomes even more significant when combined with large-scale hydroelectric projects. Together, these sources generated 253.57 billion units, which accounted for 28.5% of India’s total 888.53 billion units of electricity generated during this period. This share is notably higher than the 24.2% contribution originally expected for the entire year.
Investors looking at the power sector should note that generation in the hydro segment is heavily dependent on hydrological cycles and weather patterns. In August alone, hydro output jumped by 16.7% compared to July. However, this growth came without a corresponding increase in installed capacity, which remained steady at 52.06 gigawatts. This indicates that sudden spikes in green power can be linked to seasonal rain and river flows, rather than the addition of new infrastructure alone.
Despite this growth in clean energy, coal continues to dominate India's power grid. Projections for the 2026-27 fiscal year suggest that coal-based thermal power will still account for approximately 1.41 trillion units, or about 69% of total generation. This continued reliance highlights that the transition to green energy remains a gradual process, and the grid still requires traditional base-load power to function reliably.
To address the challenges of grid stability and the unpredictable nature of solar and wind power, industry players are exploring advanced storage technologies. At a recent roundtable, officials from NTPC highlighted the potential of Concentrated Solar Power. Unlike standard solar panels, this technology can store energy, offering a solution for grid balancing and providing high-temperature heat needed for green hydrogen production. Companies are testing these solutions at large-scale sites like the Khavda solar park.
For investors, the key monitorables will be the speed at which utilities adopt storage-ready technologies and how the government manages the balance between coal-based thermal power and the growing renewable mix. Future updates on project implementation at major solar parks and shifts in grid stability policies will provide a clearer picture of how the energy sector is evolving.