08/05/2026
Beyond PPAs: The Beginning of India’s Next Power Market Transition
For decades, the Indian power sector measured progress in megawatts installed.
The larger the generation capacity added to the grid, the stronger the system was considered to be. The architecture of the electricity sector evolved around this philosophy — long-term PPAs, predictable thermal generation, centralized scheduling, and relatively stable demand patterns.
But the future grid may value something very different:
availability at the right time.
That is perhaps the most important signal emerging from the recent CERC Staff Paper on “Capacity Market for Electricity in India.”
At first glance, the document may appear to be another technical consultation paper discussing reserve procurement and reliability mechanisms. But a deeper reading reveals something far more significant.
The paper is quietly initiating a discussion on whether India’s electricity market architecture itself needs to evolve for a renewable-heavy future.
And that is a very important conversation.
The Indian grid is entering a phase where traditional assumptions are beginning to change.
Renewable energy growth, particularly solar, is fundamentally altering system behavior. Midday solar generation increasingly suppresses net demand. Evening ramps are becoming steeper. Thermal plants are forced to operate closer to minimum technical limits. Reserve shortages during periods of stress are becoming more visible.
In such a system, merely adding installed capacity may no longer be sufficient.
The real challenge becomes:
Will enough flexible and dispatchable capacity be available exactly when the system needs it most?
This is where the concept of a capacity market enters the discussion.
Globally, capacity markets emerged because energy-only markets often struggled to ensure adequate investment in reliable and flexible generation assets. In several countries, regulators began recognizing that the market was rewarding energy supplied, but not necessarily availability during critical hours.
The CERC paper appears to acknowledge a similar concern for the future Indian grid.
What makes the paper particularly interesting is that it goes beyond the conventional PPA-centric approach that has dominated the Indian sector for decades.
The discussion now includes:
capacity auctions,
reserve capacity markets,
short-term capacity trading,
market-linked dispatch,
and storage participation.
This represents a conceptual shift from:
“capacity ownership”
toward
“capacity availability.”
The distinction is subtle but extremely important.
Under traditional PPAs, generators recover fixed charges primarily based on declared availability, while DISCOMs retain scheduling rights. The proposed framework explores situations where capacity may be contracted separately while energy itself is increasingly dispatched through organized markets.
In effect, the value of flexibility may rise alongside the value of energy.
This is not merely a technical market design issue. It has long-term implications for investment behavior across the sector.
Perhaps for the first time, the paper openly creates space for technologies like Battery Energy Storage Systems (BESS), storage aggregators, and reserve-oriented flexible infrastructure to become economically relevant beyond niche applications.
That matters because future grids may increasingly reward:
fast response capability,
reserve support,
ramping flexibility,
ancillary services,
and dispatchability.
Not just installed megawatts.
In many ways, this reflects a broader global transition already underway.
Across multiple electricity markets worldwide, power systems are gradually moving from static generation planning toward dynamic reliability management. As renewable pe*******on increases, the importance of timing, flexibility, and balancing capability rises significantly.
India now appears to be approaching the early stages of that transition.
Of course, the path ahead will not be simple.
The paper itself raises important concerns around:
double payment,
market readiness,
cost allocation,
DISCOM financial stress,
and operational complexity.
These concerns are legitimate.
Electricity markets are not purely financial systems. They operate at the intersection of economics, engineering, public policy, and political reality. Any transition toward market-linked dispatch and capacity remuneration must therefore be carefully calibrated.
Not every proposal in the staff paper may eventually become regulation.
But that is not the most important takeaway.
The real significance of the paper lies in the direction of thinking it reveals.
The Indian electricity sector may gradually be preparing to move beyond a purely energy-centric framework toward a system where reliability, flexibility, reserves, and responsiveness become central economic products.
If that transition accelerates over the coming decade, the winners of the next phase of the power sector may not simply be those who generate the most electricity.
They may be the ones who can deliver electricity exactly when the grid needs it most.
-Nikhil Samudre
(Thoughts are completely personal)
