Maharashtra Leads India in Demand Flexibility Regulation for Peak Power

India's rapid renewable expansion is creating growing peak electricity demand management challenges, and demand flexibility and demand response programmes are now being identified as critical tools for reducing procurement costs and improving grid reliability, according to policy analysts. Maharashtra has become the first state to introduce a Demand Flexibility Portfolio Obligation, requiring distribution licensees to shift a specified percentage of peak demand to non-peak hours.

Maharashtra's MERC Demand Flexibility and DSM Regulations 2024 introduce binding requirements for distribution licensees to shift peak demand, with mandates for cost-effectiveness assessment, measurement and verification, and consumer segmentation-based programme design. Tata Power Mumbai's February 2024 pilot at Bhandup shifted 345 kilowatts daily over three hours, saving 23,000 units of electricity and identifying a 50 megawatt per month flexibility opportunity across 50 pumping stations. BSES Yamuna Power Limited in Delhi launched an automated demand response programme in 2020, while Tata Power Delhi Distribution implemented a combined automated and behavioural DR programme between 2022 and 2025 using smart metering.

Assam and Karnataka have released draft demand response and demand flexibility regulations, signalling a widening of state-level engagement beyond Maharashtra. However, the voluntary nature of most existing pilots limits their effectiveness in power procurement planning, as distribution companies cannot reliably forecast or quantify available flexible demand during peak periods. Mandatory, state-wide Time-of-Day tariffs across all consumer categories are identified as a prerequisite to unlocking demand flexibility at scale. Smart meters capable of recording consumption at 15-minute intervals are foundational to measurement, verification and load research needed to design effective programmes.

Analysts call for a coordinated national demand flexibility framework that standardises operational procedures, establishes unified regulatory principles, and enables aggregators to operate across state boundaries. Such a framework should integrate demand flexibility into building codes, extend portfolio targets across all states, and create open communication standards such as OpenADR for automated demand response. India's experience in utility-led demand-side management over the past decade is identified as a baseline that can accelerate renewable integration if combined with clear regulatory mandates, technology market transformation, and incentive structures that reward consumers for flexible participation.

Key figure — 345 kW shifted daily in Tata Power Mumbai's Bhandup pilot, saving 23,000 electricity units