Rooftop Energy: On Boosting Solar Power


Rooftop Energy: On Boosting Solar Power

Bengaluru’s aerial mission to produce a three dimensional map of rooftop solar power potential using Light Detection and Ranging (LIDAR) data can give this key source of power a big boost. Similar mapping exercises have been carried out in several countries over the past few years to assess how much of a city’s power needs can be met through rooftop solar installations. A survey helps determine usable rooftops, separating them from green spaces, and analyses the quality of the solar resource. With steady urbanisation, solar maps of this kind will help electricity utilities come up with good business cases and investment vehicles and give residents an opportunity to become partners in the effort. An initiative to rapidly scale up rooftop solar installations is needed if the target of creating 40 GW of capacity connected to the grid by 2022 is to be realised. Rooftop solar power growth has demonstrated an overall positive trend, including in the fourth quarter of 2017 when tenders for 220 MW represented a doubling of the achievement in the previous quarter. But this will need to be scaled up massively to achieve the national target. Going forward, domestic policy has to evaluate the impact of factors such as imposition of safeguard duty and anti-dumping duty on imports, and levy of the goods and services tax on photovoltaic modules. The industry is apprehensive that the shine could diminish for the sector during the current year, unless policy is attuned to the overall objective of augmenting capacity. Read More…

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