India’s solar sector witnessed a major reshuffle in market leadership in 2025, with 35 new companies entering the top 10 rankings across key segments, reflecting the increasing competitiveness of the industry, according to Mercom India’s latest India Solar Market Leaderboard 2026. The report covers 153 companies across multiple categories.

The Supreme Court upheld the Maharashtra government’s authority to withdraw or modify electricity duty exemptions granted to captive power generators, while directing that such withdrawal can take effect only after a reasonable one-year notice. The dispute arose from a long-standing policy of the Maharashtra government to promote captive power generation by industries.

The government notified the Central Electricity Authority (Measures relating to Safety and Electric Supply) Amendment Regulations, 2026, introducing a comprehensive safety framework for battery energy storage systems. The Central Electricity Authority had issued the draft guidelines in June 2025. The amended regulations will come into force on April 1, 2027.

Gujarat Electricity Regulatory Commission issued a request for proposal to provide consultancy support for regulatory assignments related to the Resource Adequacy Framework. Bids must be submitted by April 15, 2026. Selected bidders must prepare a comparative analysis of similar regulations notified by five to seven other leading states.

The Bihar Electricity Regulatory Commission largely retained retail electricity tariffs across consumer categories for the financial year (FY) 2026-27, while introducing targeted reductions and structural changes as part of a broader tariff rationalization exercise. The Commission approved a green tariff of ₹0.68 (~$0.007)/kWh, applicable in addition to the existing tariff for consumers who opt to procure renewable energy.

The Himachal Pradesh Electricity Regulatory Commission determined the generic levelized tariffs for solar projects up to 5 MW for FY 2026-27. The tariffs range from ₹3.34 (~$0.035)/kWh to ₹3.52 (~$0.038)/kWh, depending on project capacity and location. For projects outside urban and industrial zones, tariffs have been set at ₹3.47 (~$0.0373)/kWh for up to 1 MW, ₹3.40 (~$0.0366)/kWh for 1-3 MW, and ₹3.34 (~$0.0359)/kWh for 3-5 MW.

Ahmedabad-based infrastructure development company Montecarlo won PFC Consulting’s auction to set up an intrastate transmission system to evacuate 7 GW of solar power from Dharashiv and Beed districts in Maharashtra. The company quoted annual transmission charges of ₹1.44 billion (~$15.45 million). The tender was floated in June 2025.

Power Grid Corporation of India won PFC Consulting’s auction to establish an interstate transmission system to strengthen the network at the Tumkur-II substation in Karnataka, integrating an additional 2.7 GW of renewable energy. The tender was issued in November 2025. Other qualified bidders included Dilip Buildcon, Resonia, Adani Energy Solutions, and G R Infraprojects.

NTPC Renewable Energy invited bids for the balance-of-system package for a 200 MW solar power project in Bikaner, Rajasthan. The successful bidder will also be responsible for the operation and maintenance of the project for three years from the project’s commissioning. The last date to submit bids is May 5, 2026. Bids will be opened on the same day.

West Bengal’s Department of Power invited bids to set up 500 MW/2,000 MWh standalone battery storage systems. The tender has been issued on behalf of the West Bengal State Electricity Distribution Company. The last date to submit bids is April 24, 2026. Bids will be opened on May 7.

The Solar Energy Corporation of India invited bids for the supply of 80 MW of firm power on a short-term basis under open access. The last date to submit bids is April 8, 2026. Bids will be opened on April 13. Bidders may offer a mix of energy sources, such as thermal, nuclear, solar, wind, hydro, hybrid, or battery storage. The quantum of power should be firm power for the entire duration of the contract.

The Ministry of New and Renewable Energy issued a tender to select an agency to undertake data collection, upkeep, operation, and maintenance of the National Renewable Energy Portal. Bids must be submitted by April 16, 2026. Bids will be opened on the same day. The estimated cost of the project is ₹26.42 million (~$283,553).

NTPC approved an investment proposal for a 4.7 GWh battery energy storage system with an estimated project cost of ₹58.22 billion (~$623.22 million). Recently, NTPC announced the winners of its auction to set up 2,334 MWh of BESS at its thermal power stations across Karnataka, Maharashtra, Bihar, Andhra Pradesh, and Telangana.

Inox Clean Energy completed the acquisition of Vibrant Energy, a renewable energy platform owned by Macquarie and other shareholders, for approximately ₹50 billion (~$536.28 million). The transaction adds a renewable energy portfolio of about 1.34 GW to Inox Clean’s assets. Inox Clean Energy had reached an agreement to acquire Vibrant Energy in December last year.

Germany-based solar energy equipment supplier SMA Solar Technology reported revenue of €1.52 billion (~$1.75 billion) for 2025, a 0.9% year-over-year decline from €1.53 billion (~$1.76 billion) in 2024. The Large Scale and Project Solutions division reported a 7.9% YoY increase in revenue, reaching €1.27 billion (~$1.46 billion) from €1.18 billion (~$1.35 billion) a year ago.