ACME–NTPC ₹4.37/Unit FDRE Deal: What Indian Businesses Would Actually Pay
ACME–NTPC ₹4.37/Unit FDRE Deal: What Indian Businesses Would Actually Pay India's renewable electricity market is moving beyond cheap daytime solar. On 30 October 2026, ACME Solar Holdings announced that its subsidiary ACME Marigold Urja Private Limited had signed a power purchase agreement (PPA) with NTPC for a 400 MW inter-state transmission-connected Firm and Dispatchable Renewable Energy (FDRE) project at ₹4.37 per unit. This is a project-level contracted tariff—not a retail tariff automatically available to factories or homes. What ACME Solar actually announced The agreement covers 400 MW under NTPC's FDRE-01 tranche, with power supply scheduled to begin on 30 June 2028 for a reported 25-year term. ACME states that CERC has adopted the tariff, connectivity to the Raghanesda ISTS substation is secured, and more than 800 acres of land have been leased. The project has not yet been commissioned. The company's announcement specifies a minimum annual capacity utilisation factor (CUF) of 40%, and an obligation to meet 90% of peak power requirements for a cumulative 4.5 hours daily across morning and evening peak hours. These obligations matter when comparing this price with ordinary solar or other FDRE bids. What is Firm and Dispatchable Renewable Energy? Conventional solar generates mainly in daylight; wind varies with weather. FDRE combines renewable generation with flexibility resources such as storage and diversified generation to meet contractually specified delivery obligations. It does not automatically mean unrestricted, uninterrupted electricity at every hour. The PPA determines the actual delivery schedule, availability tests and shortfall penalties. Why ₹4.37/unit is not the final factory electricity cost A generator-level PPA tariff is not the same as the delivered cost of power for an industrial consumer. Depending on the procurement structure, the buyer may face transmission and wheeling charges, losses, cross-subsidy surcharge, additional surcharge, scheduling and settlement costs, taxes, deposits and other contractual obligations. Applicability depends on the relevant regulation and consumer arrangement. A useful comparison is: landed renewable electricity cost = contracted energy tariff + applicable network and regulatory charges + losses + scheduling and settlement costs. Compare this with avoidable energy charges on the consumer's existing bill, not automatically with the total average bill. Fixed and demand charges may remain payable. Illustration: What could a Rajasthan factory save? Assume a factory can use 250,000 units of contracted renewable electricity annually and its avoidable conventional electricity cost is ₹8.50/unit. These are illustrative assumptions, not an ACME or NTPC retail offer. If delivered renewable power costs ₹6.00/unit, gross savings are ₹625,000/year; at ₹7.00/unit, ₹375,000/year; at ₹8.00/unit, ₹125,000/year; at ₹8.50/unit, there is no gross energy saving. The formula is 250,000 × (₹8.50 − assumed landed renewable rate). The illustration excludes fixed-charge changes, financing, taxes, demand charges, losses not already included, escalation and imbalance penalties. A project-specific feasibility study must account for these factors. Why two FDRE tariffs can differ FDRE bids may have different supply windows, minimum CUF, storage duration, availability tests, peak-hour obligations, network costs and risk allocation. A cheaper headline tariff can be less valuable if it delivers at the wrong time. Compare actual contracted energy profiles and penalties, not only quoted ₹/kWh. How to evaluate renewable procurement for your business Step 1: Obtain 12 months of bills and interval-wise consumption data. Separate energy charges, demand charges, duties and other billing elements. Step 2: Map daytime and evening demand. Identify whether rooftop solar, ordinary open access, FDRE or solar-plus-BESS fits the load profile. Step 3: Calculate the landed tariff using the latest applicable Rajasthan regulations, network charges, losses and settlement arrangements. Step 4: Review the PPA's minimum offtake, change-in-law, performance, payment security and termination provisions. Step 5: Stress-test delays, low generation, curtailment, demand reduction, regulatory changes and battery degradation where relevant. Step 6: Compare CAPEX rooftop solar, RESCO, group captive, green open access, demand response and storage before committing. Does the deal change anything for homeowners? No. The ₹4.37 FDRE PPA does not alter residential electricity tariffs or PM Surya Ghar subsidy eligibility. A homeowner should evaluate rooftop solar using actual consumption, system price, applicable subsidy, net metering, maintenance and financing costs—not a utility-scale FDRE quote. Frequently asked questions Can a Rajasthan factory buy power from ACME at ₹4.37/unit? Not automatically. The announced tariff belongs to a specific ACME–NTPC contract. Industrial procurement requires a separate contractual and regulatory arrangement. Is FDRE always 24-hour power? No. Its actual availability, peak-hour and energy-delivery obligations are defined in the contract. Is FDRE cheaper than rooftop solar? They are different products. Rooftop solar economics depend on capital costs and self-consumption; FDRE pricing depends on contracted delivery and flexibility. Will demand charges disappear? Not necessarily. Demand and fixed charges depend on the applicable tariff order and billing arrangement. Should an MSME add a battery instead? Only after comparing battery capital costs, round-trip losses, degradation, backup value and operational flexibility against other options. What is Wattscore's recommendation? Choose the procurement portfolio that supplies usable electricity when the business needs it, at the lowest risk-adjusted delivered cost. Wattscore can evaluate commercial rooftop solar, open access, group captive procurement, PPAs and BESS using actual bills and load profiles. Further reading RESCO vs CAPEX Solar in 2026: https://www.wattscore.com/post/resco-vs-capex-solar-india-2026-nhai-seci Rajasthan Time-of-Day Tariff: https://www.wattscore.com/post/rajasthan-time-of-day-tariff-load-shifting-solar-bess-2026 Wattscore PPA & Power Procurement Advisory: https://www.wattscore.com/ppa-power-procurement Sources ACME Solar exchange announcement (30 October 2026): https://nsearchives.nseindia.com/corporate/ACMECS_30102026084319_Intimation30102026.pdf ACME Solar announcement reproduced with contractual requirements: https://www.bazaarwatch.com/announcement/259959/acme-solar-holdings-ltd-acme-solar-signs-ppa-with-ntpc-for-400-ists-connected-fdre-project pv magazine project and PPA terms: https://www.pv-magazine.com/2026/10/30/acme-solar-signs-400-mw-firm-renewable-power-deal-in-india/ Rajasthan Electricity Regulatory Commission: https://rerc.rajasthan.gov.in/
ACME–NTPC ₹4.37/Unit FDRE Deal: What Indian Businesses Would Actually Pay India's renewable electricity market is moving beyond cheap daytime solar. On 30 October 2026, ACME Solar Holdings announced that its subsidiary ACME Marigold Urja Private Limited had signed a power purchase agreement (PPA) with NTPC for a 400 MW inter-state transmission-connected Firm and Dispatchable Renewable Energy (FDRE) project at ₹4.37 per unit. This is a project-level contracted tariff—not a retail tariff automatically available to factories or homes. What ACME Solar actually announced The agreement covers 400 MW under NTPC's FDRE-01 tranche, with power supply scheduled to begin on 30 June 2028 for a reported 25-year term. ACME states that CERC has adopted the tariff, connectivity to the Raghanesda ISTS substation is secured, and more than 800 acres of land have been leased. The project has not yet been commissioned. The company's announcement specifies a minimum annual capacity utilisation factor (CUF) of 40%, and an obligation to meet 90% of peak power requirements for a cumulative 4.5 hours daily across morning and evening peak hours. These obligations matter when comparing this price with ordinary solar or other FDRE bids. What is Firm and Dispatchable Renewable Energy? Conventional solar generates mainly in daylight; wind varies with weather. FDRE combines renewable generation with flexibility resources such as storage and diversified generation to meet contractually specified delivery obligations. It does not automatically mean unrestricted, uninterrupted electricity at every hour. The PPA determines the actual delivery schedule, availability tests and shortfall penalties. Why ₹4.37/unit is not the final factory electricity cost A generator-level PPA tariff is not the same as the delivered cost of power for an industrial consumer. Depending on the procurement structure, the buyer may face transmission and wheeling charges, losses, cross-subsidy surcharge, additional surcharge, scheduling and settlement costs, taxes, deposits and other contractual obligations. Applicability depends on the relevant regulation and consumer arrangement. A useful comparison is: landed renewable electricity cost = contracted energy tariff + applicable network and regulatory charges + losses + scheduling and settlement costs. Compare this with avoidable energy charges on the consumer's existing bill, not automatically with the total average bill. Fixed and demand charges may remain payable. Illustration: What could a Rajasthan factory save? Assume a factory can use 250,000 units of contracted renewable electricity annually and its avoidable conventional electricity cost is ₹8.50/unit. These are illustrative assumptions, not an ACME or NTPC retail offer. If delivered renewable power costs ₹6.00/unit, gross savings are ₹625,000/year; at ₹7.00/unit, ₹375,000/year; at ₹8.00/unit, ₹125,000/year; at ₹8.50/unit, there is no gross energy saving. The formula is 250,000 × (₹8.50 − assumed landed renewable rate). The illustration excludes fixed-charge changes, financing, taxes, demand charges, losses not already included, escalation and imbalance penalties. A project-specific feasibility study must account for these factors. Why two FDRE tariffs can differ FDRE bids may have different supply windows, minimum CUF, storage duration, availability tests, peak-hour obligations, network costs and risk allocation. A cheaper headline tariff can be less valuable if it delivers at the wrong time. Compare actual contracted energy profiles and penalties, not only quoted ₹/kWh. How to evaluate renewable procurement for your business Step 1: Obtain 12 months of bills and interval-wise consumption data. Separate energy charges, demand charges, duties and other billing elements. Step 2: Map daytime and evening demand. Identify whether rooftop solar, ordinary open access, FDRE or solar-plus-BESS fits the load profile. Step 3: Calculate the landed tariff using the latest applicable Rajasthan regulations, network charges, losses and settlement arrangements. Step 4: Review the PPA's minimum offtake, change-in-law, performance, payment security and termination provisions. Step 5: Stress-test delays, low generation, curtailment, demand reduction, regulatory changes and battery degradation where relevant. Step 6: Compare CAPEX rooftop solar, RESCO, group captive, green open access, demand response and storage before committing. Does the deal change anything for homeowners? No. The ₹4.37 FDRE PPA does not alter residential electricity tariffs or PM Surya Ghar subsidy eligibility. A homeowner should evaluate rooftop solar using actual consumption, system price, applicable subsidy, net metering, maintenance and financing costs—not a utility-scale FDRE quote. Frequently asked questions Can a Rajasthan factory buy power from ACME at ₹4.37/unit? Not automatically. The announced tariff belongs to a specific ACME–NTPC contract. Industrial procurement requires a separate contractual and regulatory arrangement. Is FDRE always 24-hour power? No. Its actual availability, peak-hour and energy-delivery obligations are defined in the contract. Is FDRE cheaper than rooftop solar? They are different products. Rooftop solar economics depend on capital costs and self-consumption; FDRE pricing depends on contracted delivery and flexibility. Will demand charges disappear? Not necessarily. Demand and fixed charges depend on the applicable tariff order and billing arrangement. Should an MSME add a battery instead? Only after comparing battery capital costs, round-trip losses, degradation, backup value and operational flexibility against other options. What is Wattscore's recommendation? Choose the procurement portfolio that supplies usable electricity when the business needs it, at the lowest risk-adjusted delivered cost. Wattscore can evaluate commercial rooftop solar, open access, group captive procurement, PPAs and BESS using actual bills and load profiles. Further reading RESCO vs CAPEX Solar in 2026: https://www.wattscore.com/post/resco-vs-capex-solar-india-2026-nhai-seci Rajasthan Time-of-Day Tariff: https://www.wattscore.com/post/rajasthan-time-of-day-tariff-load-shifting-solar-bess-2026 Wattscore PPA & Power Procurement Advisory: https://www.wattscore.com/ppa-power-procurement Sources ACME Solar exchange announcement (30 October 2026): https://nsearchives.nseindia.com/corporate/ACMECS_30102026084319_Intimation30102026.pdf ACME Solar announcement reproduced with contractual requirements: https://www.bazaarwatch.com/announcement/259959/acme-solar-holdings-ltd-acme-solar-signs-ppa-with-ntpc-for-400-ists-connected-fdre-project pv magazine project and PPA terms: https://www.pv-magazine.com/2026/10/30/acme-solar-signs-400-mw-firm-renewable-power-deal-in-india/ Rajasthan Electricity Regulatory Commission: https://rerc.rajasthan.gov.in/