Volume of electricity trade on IEX jumps 30%
UPSC Study Note: Volume of Electricity Trade on IEX Jumps 30%
1. At a Glance
- Indian Energy Exchange (IEX) is India's first and largest automated electricity trading platform, operating since 2008 under CERC oversight. [S3]
- The February 2026 data point — 30.4% YoY surge to 12,550 MU — signals rapid market deepening in India's short-term power market. [S1]
- Relevant for UPSC because IEX sits at the intersection of energy security, market regulation, renewable energy policy, and economic liberalisation — all GS-III territory.
- Renewable Energy Certificates (RECs) traded on IEX are the compliance instrument for Renewable Purchase Obligations (RPO), linking power exchanges to India's clean-energy targets.
2. Why in the News
- March 5–6, 2026: IEX released February 2026 monthly data showing electricity trade volume of 12,550 Million Units (MU), a 30.4% YoY jump. [S1]
- Simultaneously, 18.86 lakh RECs were traded, a 15.2% YoY increase. [S1]
- For full FY26 (April 2025–March 2026), IEX achieved its highest-ever annual traded volume of 141 Billion Units (BU), up 17% YoY. [S2]
- Q4 FY26 alone recorded 39.4 BU, up 24.3% YoY — also a quarterly record. [S2]
3. Background & Evolution
| Year | Milestone |
|---|---|
| 2003 | Electricity Act, 2003 enacted; Section 66 mandated CERC to develop power markets [S3] |
| 2008 | IEX launched — India's first power exchange; received CERC approval [S3] |
| 2010 | REC Mechanism introduced under Electricity Act 2003 + National Tariff Policy 2006 to enable cross-state renewable energy compliance [S3] |
| 2021 | Green Day-Ahead Market (G-DAM) launched on IEX for dedicated renewable energy trading |
| Dec 2022 | CERC REC Regulations 2022 came into force (notified May 9, 2022) [S3] |
| FY26 | IEX achieves 141 BU all-time annual high [S2] |
- Predecessor model: Before power exchanges, electricity was traded only through long-term Power Purchase Agreements (PPAs) — illiquid and bilateral. IEX introduced transparent, price-discovery-based spot trading.
4. Core Static Facts
Institutional Identity
- Full name: Indian Energy Exchange Ltd. (IEX)
- Type: Stock-exchange-style automated power bourse
- Established: 2008
- Regulator: Central Electricity Regulatory Commission (CERC)
- Statutory basis: Electricity Act, 2003 (especially Section 66) [S3]
- Ministry: Ministry of Power (nodal); CERC is the quasi-judicial regulator
Market Structure
- Two power exchanges currently operational: IEX and Power Exchange India Ltd. (PXIL) [S3]
- IEX market share: >98% of total traded volume in India [S3]
- Participant base: >6,300 entities (DISCOMs, industries, generators) [S3]
Market Segments on IEX
| Segment | Description |
|---|---|
| Day-Ahead Market (DAM) | Next-day electricity, double-sided closed auction |
| High Price DAM (HP-DAM) | DAM with higher price cap for scarcity periods |
| Term-Ahead Market (TAM) | Contracts up to 11 days |
| Real-Time Market (RTM) | 15-minute contracts for balancing |
| Green DAM (G-DAM) | Renewable energy-specific spot market |
| REC Market | Renewable Energy Certificates for RPO compliance |
| ESCerts Market | Energy Saving Certificates (PAT scheme) |
REC Mechanism
- Introduced: 2010 [S3]
- Purpose: Decouple the "renewable attribute" from physical electricity; allow obligated entities to buy RECs to meet RPO [S3]
- Price bounds: Floor price and forbearance price set by CERC [S3]
- Current regulations: CERC REC Regulations, 2022 (in force from December 5, 2022) [S3]
- Feb 2026 REC traded: 18.86 lakh RECs, up 15.2% YoY [S1]
Key Numbers (Feb 2026)
- Electricity traded: 12,550 MU (+30.4% YoY) [S1]
- RECs traded: 18.86 lakh (+15.2% YoY) [S1]
- FY26 annual total: 141 BU (+17% YoY) [S2]
- Q4 FY26: 39.4 BU (+24.3% YoY) [S2]
- May 2026: 12,983 MU (+18.6% YoY) [S4]
5. Multi-Dimensional Analysis
Economic
- The 30% volume surge reflects market deepening — more buyers/sellers migrating from bilateral contracts to transparent exchange-based pricing, improving price discovery and resource allocation efficiency. [S1]
- Short-term market growth reduces dependence on expensive bilateral PPAs, lowering average power procurement cost for DISCOMs.
- IEX's record FY26 volumes (141 BU) indicate structural shift; exchange-traded power is gaining share in India's ~1,700 BU annual consumption. [S2]
Environmental
- The REC surge (+15.2% YoY) signals rising compliance activity under RPO obligations — renewable generators monetise surplus certificates; obligated entities (DISCOMs, open-access consumers) offset shortfalls. [S1]
- Green DAM and Green Term-Ahead Market on IEX directly channel renewable energy into the grid, supporting India's 500 GW non-fossil capacity target by 2030. [S2]
- Exchange-based pricing incentivises least-cost dispatch of renewables, improving grid integration of variable RE.
Legal / Constitutional
- Power exchanges operate under Electricity Act, 2003, Section 66 (development of power market) and Section 86 (CERC functions). [S3]
- CERC (Power Market) Regulations, 2021 govern exchange operations; CERC REC Regulations, 2022 govern REC trading. [S3]
- RPO is a legal obligation under state electricity regulatory commissions' orders, creating mandatory demand for RECs.
Administrative / Governance
- DISCOMs (often financially stressed) increasingly use short-term/exchange markets to bridge demand gaps without costly long-term capacity addition.
- The two-exchange structure (IEX + PXIL) is designed to foster competition, though IEX's 98%+ market share raises concentration concerns. [S3]
- Open Access industrial consumers — large electricity buyers — drive significant exchange volumes; regulatory easing of open-access charges boosts participation.
Scientific / Technological
- IEX uses a double-sided closed auction with uniform clearing price in the DAM — analogous to equity exchange mechanisms.
- RTM (Real-Time Market) with 15-minute time blocks is crucial for integrating variable renewable energy (solar/wind) whose output fluctuates intra-day.
- Price coupling with neighbouring countries (potential future direction) would link IEX volumes to regional South Asian electricity trade.
6. Recent Developments (Last 12–18 Months)
- Feb 2026: IEX monthly volume 12,550 MU, up 30.4%; RECs 18.86 lakh, up 15.2%. [S1]
- May 2026: Volume 12,983 MU, up 18.6% YoY; Green Market volume 1,034 MU (+13%); DAM volume 4,417 MU (+24.9%). [S4]
- FY26 (full year): Record 141 BU traded, +17% YoY. [S2]
- Q4 FY26: Record quarterly volume 39.4 BU, +24.3% YoY. [S2]
- FY25: IEX had already recorded its then-highest-ever annual volumes before FY26 broke the record. [S5]
- Oct 2024: Monthly volume was more modest — 9,642 MU, up only 4% YoY — showing acceleration trend through FY26. [S6]
7. Prelims Hooks (High-Density Factual Bullets)
- IEX is India's first and largest automated electricity trading platform. [S3]
- IEX commenced operations in 2008 after CERC approval. [S3]
- IEX is regulated by CERC under the Electricity Act, 2003, Section 66. [S3]
- India has two power exchanges: IEX and PXIL (Power Exchange India Ltd.). [S3]
- IEX commands >98% of India's exchange-traded power volume. [S3]
- In February 2026, IEX traded 12,550 MU of electricity — a 30.4% YoY rise. [S1]
- 18.86 lakh RECs were traded on IEX in February 2026 — 15.2% YoY rise. [S1]
- IEX's FY26 annual volume was 141 BU, its highest-ever, up 17% YoY. [S2]
- The REC Mechanism was introduced in 2010 under Electricity Act 2003 and National Tariff Policy 2006. [S3]
- CERC REC Regulations 2022 came into force on December 5, 2022. [S3]
- REC prices are bounded by floor price and forbearance price set by CERC — not free-float. [S3]
- ESCerts (Energy Saving Certificates) — linked to the PAT (Perform Achieve Trade) Scheme — are also traded on IEX. [S3]
- The Real-Time Market (RTM) on IEX trades electricity in 15-minute blocks for grid balancing.
- IEX participant base exceeds 6,300 entities including DISCOMs, industrial consumers, and generators. [S3]
8. Mains Relevance
GS Paper: GS-III — Infrastructure: Energy, Transport
Specific Syllabus Headings: - Infrastructure: Energy — power sector reforms, electricity markets - Economy — market-based mechanisms, regulation - Environment — renewable energy policy, carbon/REC markets
Plausible Mains Question Stems: 1. "The rapid growth of exchange-traded electricity in India reflects both the success of power sector reforms and the structural weaknesses of the DISCOM model. Critically examine." 2. "Discuss the role of Renewable Energy Certificates (RECs) in meeting India's Renewable Purchase Obligations. What are the challenges in deepening the REC market?" 3. "How do short-term power markets like IEX complement long-term Power Purchase Agreements in ensuring energy security and affordable electricity in India?"
9. Related Topics to Study Next
| Topic | Connection |
|---|---|
| Electricity Act, 2003 | Parent statute governing IEX, CERC, and entire power market architecture |
| Renewable Purchase Obligation (RPO) | Creates mandatory demand for RECs traded on IEX |
| DISCOM Financial Crisis | DISCOMs are primary IEX buyers; their losses affect exchange market participation |
| Perform Achieve Trade (PAT) Scheme | Energy Saving Certificates (ESCerts) traded on IEX; Bureau of Energy Efficiency programme |
| Green Hydrogen Mission | Future electrolyser-driven power demand may route through exchanges like IEX |
| CERC and SERCs | Regulatory architecture — national vs. state electricity regulators; concurrent jurisdiction |
| National Electricity Plan | Sets demand projections that determine long-run need for exchange capacity |
| Carbon Credit Trading Scheme (CCTS), 2023 | Emerging domestic carbon market; parallels REC mechanism; may eventually trade on exchanges |
10. Common Errors / Trap Areas
- CERC vs. SERC confusion: IEX is regulated by CERC (national body), not State Electricity Regulatory Commissions. RPO compliance enforcement, however, is a SERC function. Don't conflate.
- IEX vs. PXIL: Some aspirants think IEX is the only power exchange. There are two: IEX and PXIL. IEX dominates (~98%), but PXIL exists.
- RECs are not Carbon Credits: RECs certify renewable energy generation/consumption for RPO compliance — they are not equivalent to carbon credits or CERs under Kyoto Protocol. A separate Carbon Credit Trading Scheme exists under the Energy Conservation (Amendment) Act, 2022.
- MU vs. BU: Monthly data is in MU (Million Units = Million kWh), annual data in BU (Billion Units). 1 BU = 1,000 MU. Don't mix scales in answers.
- Section 66 vs. Section 86: Section 66 deals with development of power market (IEX mandate); Section 86 deals with SERC functions. Examiners test exact section numbers.
11. Sources
- [S1] Volume of electricity trade on IEX jumps over 30% to 12,550 mn units in Feb — https://www.business-standard.com/industry/news/volume-of-electricity-trade-on-iex-jumps-over-30-to-12-550-mn-units-in-feb-126030500481.html — (Tier 4)
- [S2] IEX achieves highest traded volumes of 141 BU in FY26; up 17% YoY — https://www.business-standard.com/markets/capital-market-news/iex-achieves-highest-traded-volumes-of-141-bu-in-fy26-up-17-yoy-126040600111.html — (Tier 4)
- [S3] IEX trade volume rises 18.6%, Day-Ahead Market price up 18.3% in May — https://www.business-standard.com/amp/companies/news/iex-trade-volume-rises-18-6-day-ahead-market-price-up-18-3-in-may-126060301326_1.html — (Tier 4); background facts on IEX structure, REC mechanism, CERC regulation from search snippets citing Electricity Act 2003 provisions.
- [S4] IEX gains after electricity volumes jumps 19% YoY in May'26 — https://www.business-standard.com/amp/markets/capital-market-news/iex-gains-after-electricity-volumes-jumps-19-yoy-in-may-26-126060400429_1.html — (Tier 4)
- [S5] IEX records highest ever electricity traded volumes in FY25 — https://www.business-standard.com/markets/capital-market-news/iex-records-highest-ever-electricity-traded-volumes-in-fy25-125040400233_1.html — (Tier 4)
- [S6] Indian Energy Exchange electricity trade volumes up 4% at 9,642 MUs in Oct — https://www.business-standard.com/companies/news/indian-energy-exchange-electricity-trade-volumes-up-4-at-9-642-mus-in-oct-124110501055_1.html — (Tier 4)
- [S-Article] Volume of electricity trade on IEX jumps 30% — The Hindu / The Hindu BusinessLine, Print Edition March 6, 2026, Page 12 — (Tier 4, article content provided)