At Glasgow’s COP26 summit on 1 November 2021, Narendra Modi announced that India would reach net zero by 2070. The pledge placed a date on the country’s long-term climate transition alongside four nearer commitments, presented together as Panchamrit. It was a consequential diplomatic decision with implementation stretching across decades. [1]
Net zero means balancing remaining emissions with removals, rather than requiring every activity to produce no emissions. India’s subsequent long-term strategy considers changes across electricity, transport, cities and industry alongside forests and other approaches to removals. Rooftop solar is one contribution within that larger transition. [3]
What Glasgow announced
The speech set a 500-gigawatt non-fossil capacity goal for 2030, a renewable-energy commitment, a reduction of one billion tonnes from projected cumulative emissions through 2030, and a stronger emissions-intensity goal. These were announced objectives, alongside the 2070 horizon. The projected-emissions reduction was not a claim that India’s annual emissions had already fallen by a billion tonnes. [1]
The precise wording matters. The Glasgow speech referred to meeting half of energy requirements from renewables. The formal climate submission that followed used a different, narrower measure: the non-fossil share of installed electricity capacity. The two should not be treated as interchangeable results. [1] [2]
From speech to international submissions
India had submitted its first intended contribution in 2015. The August 2022 update strengthened the 2030 objectives to a 45% reduction in the emissions intensity of GDP from 2005 levels and about 50% cumulative installed electric-power capacity from non-fossil sources. The capacity commitment included support through technology transfer and low-cost international finance. [2]
Emissions intensity measures emissions per unit of economic output. It can decline while total emissions rise as an economy grows. Installed capacity, meanwhile, measures generating equipment, rather than the electricity produced over a year or energy consumed across the whole economy. These denominators are essential to reading the pledge. [2] [5]
In November 2022, India submitted its long-term low-carbon development strategy. It described sectoral transitions towards 2070, bringing transport, urban development and industry into the same planning horizon as the power system. A strategy supplies direction; it still requires investment, institutions and technologies to carry it out. [3]
The next round of commitments
The NDC submitted in April 2026 set objectives for 2035: a 47% emissions-intensity reduction from 2005, about 60% non-fossil installed electricity capacity with technology and finance support, and a forest-and-tree carbon sink of 3.5–4 billion tonnes of carbon-dioxide equivalent relative to the 2005 baseline. These are future commitments. [4]
That submission also recorded a delivered intermediate milestone: non-fossil sources represented 52.57% of installed power capacity at the end of February 2026. It documents progress against the capacity measure, rather than achievement of net zero. [4]
Climate Action Tracker’s assessment argues that the new intensity and capacity targets can be met under existing policies and therefore add little pressure for further emissions reductions. That is a modelling judgement about ambition, distinct from the government’s measured capacity figure. [5]
The Glasgow pledge gave India a long-term destination. The successive submissions now identify nearer commitments against which future inventories, investment and actual energy production can be compared. Each brings the promise back to choices made years before 2070. [2] [3] [4]