Updated 2026

Guide to Open Access Solar in Rajasthan (2026)

Rajasthan has the highest solar irradiance of any Indian state and the largest ground-mounted project pipeline. For investors and large C&I buyers, it is one of the most cost-competitive solar markets in India.

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Regulatory source: Rajasthan Electricity Regulatory Commission (RERC) governs intra-state open access. CERC governs inter-state open access. RVPNL is the state transmission utility and SLDC. DISCOMs: JVVNL (Jaipur), AVVNL (Ajmer), JdVVNL (Jodhpur).

Why Rajasthan leads India's solar market

6.0+
kWh/m²/day average irradiance (Barmer/Jaisalmer)
20%+
Higher CUF vs national average for ground-mounted solar
Top 2
State by cumulative utility-scale solar capacity
Inter-state
Strong inter-state OA supply to Maharashtra, Gujarat, Delhi NCR buyers

Intra-state open access (OA within Rajasthan)

For C&I buyers located in Rajasthan, intra-state open access allows solar power to be sourced from generators within the state using the RVPNL/DISCOM network:

ParameterApplicable rule
Minimum contracted demand (STOA)1 MW for HT/EHT consumers
Consumer categoryHT Industrial, HT Commercial (11 kV and above)
Application authorityRelevant DISCOM (JVVNL, AVVNL, JdVVNL) + SLDC (RVPNL)
Key chargesWheeling charge + CSS (reduced for renewables under recent RERC orders) + RVPNL transmission charge + SLDC fee

Inter-state open access — supply from Rajasthan to other states

This is the larger and more strategically important market for Rajasthan solar. Many C&I buyers in Maharashtra, Gujarat, Delhi NCR, and Haryana source solar power from Rajasthan-based projects via inter-state OA:

  • Regulatory jurisdiction: Inter-state OA is governed by CERC and handled through the Central Transmission Utility (CTU/PGCIL) network.
  • Inter-state transmission charge (ISTS): ISTS charges for solar and wind energy have been waived under central policy for projects commissioned before the waiver sunset date. Verify the current status of this waiver — it has been a significant cost advantage for Rajasthan solar supply to other states.
  • Scheduling: Handled through POSOCO/NLDC for inter-state transactions; state-level scheduling at the injection SLDC (RVPNL) and drawl SLDC simultaneously.
  • Additional surcharge: Applicable at the drawl state level (e.g., if Consumer is in Maharashtra, Maharashtra's additional surcharge provisions apply at their end).

Rajasthan for solar investors

Beyond open access, Rajasthan is a primary destination for utility-scale solar investment:

  • Land availability and cost per MW in Jodhpur, Barmer, Jaisalmer, and Bikaner zones is among the most competitive nationally.
  • High CUF (often 28–32% for fixed-tilt ground-mounted projects) improves project economics versus lower-irradiance states.
  • RRECL (Rajasthan Renewable Energy Corporation Limited) manages state-level programme implementation and land allocation in dedicated solar parks.
  • SECI, NTPC, and state-level tenders offer multiple entry points for project developers and investors at various scales (1 MW to 500 MW).

ALMM and government-scheme compliance

Rajasthan has a large number of government-tendered projects. Before investing in or commissioning EPC work on any Rajasthan solar project under a central/state scheme, verify ALMM module compliance requirements. See the ALMM guide for details.

Frequently asked questions — Rajasthan

Yes. Inter-state open access under CERC jurisdiction allows a Maharashtra buyer to source from a Rajasthan solar project via the CTU/PGCIL inter-state network. The buyer needs ISTS-connected generator; inter-state transmission charges have been waived for qualifying solar projects under central policy — confirm the current waiver status with a consultant.

Fixed-tilt ground-mounted projects in high-irradiance zones (Barmer, Jaisalmer) typically achieve CUF in the range of 28–32%, compared to 18–22% in many other parts of India. Single-axis tracking projects in these zones can achieve 32–36% CUF. Use our ROI Calculator to model the return impact of higher CUF.

RRECL (Rajasthan Renewable Energy Corporation Limited) is the state nodal agency for renewable energy in Rajasthan. It manages solar park development, land allocation, and implementation of state renewable energy programmes. Most large-scale ground-mounted projects in Rajasthan are developed through RRECL-managed parks or RRECL-facilitated land leases.

The ISTS waiver for solar and wind projects was extended under CERC orders and Ministry of Power policy. The current applicability depends on the project's commissioning date relative to the waiver sunset period. Confirm the current notified waiver status with a consultant or CERC's published tariff orders before modelling inter-state supply cost.

Content credibility

  • Written by: Wattency Product Team
  • Reviewed by: Wattency Engineering and Domain Advisory
  • Last updated:
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