Introduction
I write this as someone who has watched India’s renewable journey with both hope and impatience. The Central Electricity Regulatory Commission’s (CERC) recent move to bring Virtual Power Purchase Agreements (VPPAs) into a formal regulatory framework is consequential — not simply another policy note, but a structural shift in how large buyers, generators and markets can interact to meet renewable targets. In this post I unpack the new norms, why they matter, and what they mean for generators, discoms and corporate buyers.
Background: CERC and Virtual PPAs
CERC published draft Guidelines for Virtual Power Purchase Agreements to give statutory recognition to VPPAs as Non-Transferable Specific Delivery (NTSD) over‑the‑counter (OTC) contracts and to clarify jurisdictional questions that have lingered between regulators Draft Guidelines. The Ministry of Power and other stakeholders had asked for clarity so that corporates and developers could use financial contracts for green attribute procurement without ambiguity about legal status or market treatment.
Globally, VPPAs are essentially contracts‑for‑difference (CfD) that separate the financial settlement for renewable generation from physical delivery. The generator can sell physical energy in the exchange; the buyer receives the Renewable Energy Certificates (RECs) or equivalent attributes and settles the price difference with the generator. CERC’s draft formalises this structure for India, including interaction with the REC mechanism and power exchanges.
I have written about market and accounting routes to enable wider renewable participation in earlier posts. See, for example, my reflections on distributed and cooperative solar solutions from earlier years Unlimited Power: and round the clock?.
Key points of the new norms
- Formal recognition: VPPAs are defined as NTSD OTC contracts regulated by CERC; they are non‑tradable and non‑transferable.
- Contract structure: Parties may enter long‑term bilateral VPPAs with a mutually agreed VPPA price; the generator can sell energy on power exchanges while the financial difference is settled bilaterally.
- RECs and attributes: RE capacity under a VPPA is eligible for RECs; issued RECs are transferred to the buyer and extinguished upon registration with the REC registry.
- Implementation channels: Contracts may be executed directly, through a trader, or via registered OTC platforms; CERC proposes registration and minimum net‑worth criteria for OTC platform operators.
- Dispute handling: The draft leaves primary dispute settlement to contractual terms between parties, though regulatory fallback is acknowledged.
(References: CERC Draft Guidelines; stakeholder responses and analyses have also highlighted system‑level concerns and accounting effects — see a synthesis by sector analysts and think tanks Ember response.)
Implications for generators
- Revenue certainty: VPPAs can provide predictable long‑term cashflows akin to a PPA without physical delivery obligations — improving bankability for merchant or merchant‑plus projects.
- Market access: Generators can monetise energy on exchanges while securing a price floor via VPPA arrangements.
- Incentives for plain‑vanilla RE: Without complementary requirements, VPPAs may favour standard solar/wind additions rather than storage‑paired or firm capacity.
Implications for discoms
- Unchanged physical flows: Discoms will largely continue serving physical demand; VPPAs are financial instruments and do not change physical supply obligations.
- Compliance dynamics: If corporates move REC purchases to VPPA structures, the REC market and state RPO enforcement may require recalibration.
- System planning: Potential for greater midday generation without storage could heighten the need for flexibility and transmission planning.
Implications for corporate buyers
- Flexibility and reach: Corporates with geographically dispersed loads can claim green attributes without on‑site or interstate physical delivery constraints.
- Additionality debate: Corporates seeking “additionality” must assess whether a VPPA that simply transfers RECs without storage or flexibility actually supports system decarbonisation.
- Accounting complexity: Long tenors and market volatility make optimal price discovery and risk allocation non‑trivial; many buyers will need treasury-level capability or advisory help.
Likely challenges
- Additionality vs accounting: VPPAs can be a powerful tool for mobilising capital, but without complementary incentives for storage, time‑matching or dispatchable capacity they risk becoming an accounting shortcut rather than a system benefit.
- REC treatment and fungibility: The draft ties VPPAs to domestic RECs; the interplay with international attribute schemes (I‑RECs) and carbon markets needs clarity.
- Market and systemic risk: Greater reliance on exchange prices for settlement exposes counterparties to price spikes and requires clear margin, settlement and dispute procedures.
- Oversight and dispute resolution: The draft’s emphasis on contractual settlement needs a clearer regulatory fallback so systemic issues can be adjudicated when necessary.
Policy context in India
India is aiming for a large increase in non‑fossil capacity and has introduced Renewable Consumption Obligations and REC mechanisms to drive demand‑side compliance. CERC’s move follows earlier committee recommendations and resolves a jurisdictional ambiguity with SEBI around NTSD contracts. The norms must now be integrated into broader policy levers: RPO enforcement, the design of REC markets, incentives for storage and grid flexibility, and alignment with emerging carbon markets.
Potential impact on renewable targets
If implemented well, VPPAs can unlock corporate capital and make new projects bankable, accelerating capacity additions. However, the net impact on system decarbonisation depends on whether VPPAs are paired with measures that encourage storage, hybrid plants or firm clean resources. Left alone, they risk increasing plain‑vanilla capacity without addressing temporal matching — which shifts the challenge to grid operators and planners.
Conclusion and recommendations
CERC’s VPPA guidelines are an important and overdue recognition of a global contracting form that can mobilise private capital. To make them effective and aligned with India’s clean‑energy goals I recommend:
- Require or incentivise a proportion of VPPA‑backed capacity to include storage or be part of hybrid/firmed solutions.
- Allow flexibility in attribute choices (domestic RECs, I‑RECs, carbon credits) to broaden buyer options while maintaining robust tracking and non‑double‑counting.
- Strengthen market safeguards: clear margining, settlement, and a regulatory adjudication path for systemic disputes.
- Encourage OTC platforms and participants to adopt standard contract templates and disclosure norms to reduce transaction costs and improve transparency.
The draft is a pragmatic step — but success will depend on follow‑through: the detailed rules, integration with REC and carbon markets, and incentives that nudge the market toward flexible, dispatchable clean resources rather than only fixed‑price vanilla renewables.
Regards,
Hemen Parekh
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