For large industrial plants, data centers, chemical units, automotive manufacturers, and commercial campuses, on-site rooftop space is often insufficient to meet total operating power demand. Open Access Solar bridges this gap by enabling high-demand energy consumers to procure clean, low-cost utility solar power generated at off-site solar farms and wheeled directly through the state (Intra-State) or national (Inter-State / ISTS) transmission grid.
A2P Resources delivers turnkey Open Access and Group Captive solar power solutions—spanning project development, Special Purpose Vehicle (SPV) equity structuring, grid connectivity approvals, utility-scale EPC, and long-term energy scheduling—allowing your enterprise to slash power tariffs by up to 40% with zero on-site land or roof constraints.
We structure bankable procurement models aligned with your organization’s balance sheet, capital allocation strategy, and regulatory environment:
Model
Equity Structure
Regulatory Exemptions
Ideal For
Group Captive Solar (Most Popular & Cost-Effective)
Consumer holds at-least 26% equity in the SPV and consumes at-least 51% of generated power.
100% Exempt from Cross-Subsidy Surcharge (CSS) and Additional Surcharge (AS), delivering maximum tariff savings.
C&I consumers seeking maximum cost reduction with minimal capital exposure.
Third-Party Open Access (PPA)
100% developer-owned solar farm. Power purchased via long-term PPA.
CSS, AS, and standard transmission/ wheeling charges apply per state regulations.
Enterprises preferring zero equity investment while securing green power and RPO compliance.
Captive Solar (100% Direct Ownership)
100% owned and funded by your enterprise on dedicated off-site land.
100% Exempt from CSS and Additional Surcharge (AS). Maximum long-term asset value.
Large conglomerates seeking full asset ownership and 40% Accelerated Depreciation benefits.
Under the latest Green Energy Open Access Rules, the eligibility threshold for procuring off-site renewable power has been reduced:
Lowered Capacity Threshold: Any commercial or industrial consumer with a connected sanctioned load of 100 kW or higher (aggregated across multiple connections in the same DISCOM area) is legally eligible to procure green open access power.
National Single-Window Portal: Streamlined, time-bound approvals via the central Green Energy Open Access registry portal, eliminating bureaucratic delays.
Predictable Banking Provisions: Monthly power banking provisions allow excess daytime generation to offset non-solar or peak-hour power consumption based on state regulatory commission guidelines.
100% Renewable Purchase Obligation (RPO) Compliance: Direct offset of mandatory RPO targets and full alignment with global Scope 2 decarbonization reporting standards (BRSR, CDP, RE100).
Financial Comparison: Grid Tariff vs. Open Access Solar
Financial Metric
Landed Cost of Power
Tariff Predictability
Direct Power Bill Savings
On-Site Land / Space Needed
Carbon Abatement
Conventional DISCOM Grid Power
₹8.00 – ₹11.50+ / kWh (+ Escalations)
Variable; escalates by 3%–6% annually
0%
Rooftop/Ground dependent
High grid-carbon footprint
Open Access Solar (Group Captive)
₹4.00 – ₹5.50 / kWh (Landed, inclusive of wheeling & losses)
Fixed, inflation-hedged tariff for 15–25 years
25% – 50% Net Savings on electricity expenditure
Zero on-site land or structural space required
100% Certified Green Energy (RECs / Carbon Credits)
STEP 1: Energy & Tariff Audit ➔ STEP 2: SPV & Regulatory Filing ➔ STEP 3: Substation & Grid Evacuation ➔ STEP 4: Plant Commissioning ➔ STEP 5: Energy Scheduling & SLDC Billing
Load Profiling & Grid Feasibility: We analyze your 15-minute Time-of-Day (ToD) load curves, state open access policies, wheeling loss margins, and substation capacity to engineer the optimal solar capacity mix.
SPV Structuring & Nodal Approvals: For Group Captive projects, we structure the legal SPV framework, execute the PPA, and handle single-window filings with the State Transmission Utility (STU), State Load Despatch Centre (SLDC), and local DISCOMs.
Turnkey Utility EPC Construction: Engineering high-capacity solar farms featuring Tier-1 N-Type TOPCon bifacial modules, single-axis trackers, central/high-capacity string inverters, and dedicated 33 kV / 66 kV / 132 kV grid substations.
CEIG & Transmission Synchronization: Managing full statutory compliance with Central Electricity Authority (CEA) norms, electrical inspectorate clearances, and transmission line bay extensions.
Continuous Telemetry & Real-Time Scheduling: Integration with SLDC/RLDC scheduling desks, automated Deviation Settlement Mechanism (DSM) management, and automated monthly energy accounting and credit adjustments on your DISCOM bill.
Q: What is the primary difference between Group Captive and Third-Party Open Access?
A: In a Group Captive model, the power consumer holds at least 26% equity in the generating plant SPV and consumes at least 51% of the power. This legal structure grants 100% exemption from the Cross-Subsidy Surcharge (CSS) and Additional Surcharge (AS), reducing landed power costs compared to Third-Party Open Access.
Q: What is the minimum contracted load required to apply for Green Open Access?
A: Under the national Green Energy Open Access Rules, consumers with a sanctioned contract demand of 100 kW or higher are eligible to procure open access green power.
Q: What happens if our factory consumes less power than the solar farm produces on a given day?
A: Excess power generated during peak solar hours is managed through state energy banking provisions or adjusted against other billing cycles/facilities within the same state grid in accordance with state electricity regulatory commission regulations.
Unlock megawatt-scale power savings without modifying your factory roof. Contact our Open Access energy advisory team for a detailed load-curve analysis and landed cost calculation.
[ Request an Open Access Feasibility Study ] [ Speak with an Open Access Energy Advisor: +91-9953866820 ]