--- title: "Bangladesh's Garment Factories Could Power Themselves With Rooftop Solar — What the New CPD Study Means for Your Supply Chain" description: "A CPD study finds Bangladesh's garment factories can generate 1,768MWp from rooftop solar at just $188.2M investment. Here's what international buyers must know about energy resilience and cost savings." canonical: "https://taeen.com.bd/blog/bangladesh-garment-factory-rooftop-solar-cpd-study-buyer-guide" breadcrumb: ["Home", "Blog", "Bangladesh's Garment Factories Could Power Themselves With Rooftop Solar — What the New CPD Study Means for Your Supply Chain"] author: "Tanvir Ahmed Khan" published: "August 22, 2026" updated: "August 22, 2026" tags: ["Sourcing & Supply Chain", "buying house Bangladesh", "apparel sourcing"] --- Sourcing & Supply Chain # Bangladesh's Garment Factories Could Power Themselves With Rooftop Solar — What the New CPD Study Means for Your Supply Chain By TAEEN TeamAugust 22, 202611 min read ![Bangladesh's Garment Factories Could Power Themselves With Rooftop Solar — What the New CPD Study Means for Your Supply Chain](https://taeen.com.bd/_next/image?url=%2Fimages%2Fblog%2Fbangladesh-garment-factory-rooftop-solar-cpd-study-buyer-guide.webp&w=3840&q=75) **Quick Answer:** A new study by the Centre for Policy Dialogue (CPD) finds that Bangladesh's garment factories collectively have nearly 9.7 million square metres of unused rooftop space - enough to generate 1,768 megawatt-peak (MWp) of solar capacity at an estimated investment of just $188.2 million. For a typical large factory, rooftop solar could cover roughly 40 percent of its electricity demand. With Bangladesh's current energy crisis costing the industrial sector up to Tk 2,387 crore per day in lost output, this is not simply a sustainability story. It is a direct supply-chain resilience play that international buyers should factor into factory selection and order allocation decisions. The study, presented on August 21, 2026, at the BRAC Centre Inn in Dhaka, was conducted by CPD researchers Abrar Ahammed Bhuiyan and Noor Yana Jannat. It assessed rooftop solar potential across the entire RMG sector using a machine-learning model trained on actual monthly consumption data from 350 factories. The findings should reshape how sourcing managers evaluate energy risk when placing orders in Bangladesh. ## The numbers at a glance | Metric | Value | | --- | --- | | Total rooftop solar potential | 1,768 MWp | | Available rooftop space | 9.7 million sq m | | Total estimated investment | $188.2 million | | Large factory electricity coverage | ~40% | | Small factory electricity coverage | ~38% | | Medium factory electricity coverage | ~33% | | Factories investment-ready | 509 | | Factories investable with support | 1,359 | | Factories needing intervention | 427 | | Factories not viable | 8 | ## Why this matters right now Bangladesh's energy crisis is the single most material operational risk for apparel sourcing in the country today. According to estimates from the Dhaka Chamber of Commerce and Industry (DCCI), the energy shortage is costing the industrial sector up to Tk 2,387 crore per day in lost output. The country currently has a gas shortfall of roughly 1,380 million cubic feet per day (mmcfd) - about 36 percent of demand - and an accident at the floating LNG terminal in Cox's Bazar earlier this month has deepened the crisis further. The consequences for garment buyers are immediate and measurable: - **Factory closures:** In Gazipur, approximately 18 percent of factories have declared temporary closure due to the gas shortage. In Habiganj, 171 factories incurred losses exceeding Tk 1,000 crore in a single day after a complete gas shutdown. - **Diesel dependency:** Many factories have switched to diesel generators. Industrial gas costs around Tk 40 per cubic metre, while diesel runs approximately Tk 115 per litre - and some factories are paying an additional Tk 10 per litre just to secure supply. One factory owner reported spending as much as Tk 50,000 per day on diesel during outages. - **Margin erosion:** These additional fuel costs are being absorbed into production expenses, quietly eroding the cost competitiveness that has historically been Bangladesh's primary sourcing advantage. - **Delivery risk:** Low gas pressure disrupts production flow, reduces efficiency, and makes it harder for factories to meet delivery schedules - the number-one concern for any sourcing manager. Manufacturing growth has already slowed to 2.86 percent in fiscal year 2025-26 from 3.71 percent a year earlier, according to DCCI data. Around 1,857 applications involving proposed investments of approximately Tk 35,000 crore have stalled because of the prolonged suspension of new industrial gas connections. ## What the CPD study found - and what it missed The CPD research used a machine-learning model trained on actual consumption data from 350 factories, parameterized by factory type, size, workforce, location, and machinery. The model was then applied to the wider factory population, with measured demand used directly for 337 factories that could be matched. The analysis produced a clear district-level ranking for investment readiness: - **Dhaka:** 176 investment-ready factories, 535 investable with support - the highest concentration in the country. - **Gazipur:** 173 investment-ready factories, 354 requiring support - the second-largest opportunity cluster. - **Narayanganj:** Recommended as a priority for initial deployment alongside Dhaka and Gazipur. Notably, the study also categorised eight factories as "not viable" for rooftop solar investment. While a small fraction, this suggests that site-specific factors - roof structural integrity, shading from adjacent structures, or existing mechanical installations - still require on-site assessment before committing capital. At an interest rate of 6.5 percent, the CPD found that many more factories would become investment-ready. But at commercial lending rates around 12 percent, the number falls sharply. This points to green finance as the critical enabler - a point that international buyers are well positioned to influence through their procurement terms. ## Implications for international buyers ### 1\. Factory-level energy resilience is now a sourcing criterion When evaluating potential suppliers in Bangladesh, buyers should move beyond traditional audit checklists and ask direct questions about rooftop solar capacity. A factory with 200 kWp of installed solar can maintain critical operations - lighting, cutting, and basic sewing lines - during a gas outage at a fraction of diesel generator cost. This is no longer a nice-to-have differentiator; it is a baseline indicator of supply-chain maturity. Read our [Bangladesh energy crisis buyer's guide](https://taeen.com.bd/bangladesh-energy-crisis-garment-buyers-guide) for a broader framework on assessing factory energy resilience. ### 2\. Solar-equipped factories have a real cost advantage With rooftop solar covering 33-40 percent of typical factory electricity demand and diesel generation running at three to four times the cost per unit, a solar-equipped factory enjoys a meaningful per-unit cost advantage that compounds across large orders. For a $10 million order, even a 2-3 percent energy cost differential represents $200,000-$300,000 in margin protection. Buyers should factor this into price negotiations. A factory that has invested in rooftop solar has demonstrated financial commitment and operational foresight - both strong signals of long-term reliability. ### 3\. The $188.2 million question - and where buyers can intervene The total estimated investment of $188.2 million to equip all viable Bangladeshi garment factories with rooftop solar is remarkably modest for the global apparel industry. For context, a single mid-size brand order typically runs $50-$200 million. The question is not whether this investment is feasible - it is who should catalyse it. International buyers hold significant leverage here. By including rooftop solar readiness as a supplier qualification criterion in Requests for Quotation (RFQs), or by offering preferential terms to factories that demonstrate renewable energy investment, buyers can accelerate adoption far more effectively than any government programme alone. This is particularly relevant as EU regulations on supply chain decarbonisation - including the Corporate Sustainability Due Diligence Directive (CSDDD) and the Carbon Border Adjustment Mechanism (CBAM) - begin to require scope 3 emissions reporting from apparel supply chains. Learn more about how EU compliance regulations affect your Bangladesh sourcing in our [EUDR compliance guide](https://taeen.com.bd/eu-digital-product-passport-bangladesh-compliance-guide) and our [CBAM impact analysis](https://taeen.com.bd/europe-cbam-textile-expansion-bangladesh-garment-buyers). ### 4\. Prioritise factories in Dhaka, Gazipur, and Narayanganj The CPD study identified these three districts as having the highest concentration of investment-ready factories. For buyers establishing or expanding sourcing programmes in Bangladesh, prioritising factories in these clusters maximises the likelihood of working with suppliers who are either already solar-equipped or have clear pathways to becoming so within 12-18 months. ### 5\. Monitor the green finance gap The CPD's finding that affordable financing at 6.5 percent interest would unlock significantly more factory investments - compared to commercial rates around 12 percent - points to a critical market failure. International buyers, particularly those with sustainability-linked financing programmes, can partner with Bangladeshi banks to create green loan facilities that reduce the cost of capital for rooftop solar installations. This is a high-leverage intervention that benefits both buyers (supply resilience) and suppliers (lower energy costs). ## How to verify a factory's solar readiness during your next audit When conducting factory audits - whether on-site or through a remote audit service - include the following questions in your energy resilience assessment: - What is the current installed rooftop solar capacity (in kWp or MWp)? - What percentage of total electricity demand does solar cover? - Is the solar system owned outright, leased, or under a power purchase agreement? - What is the factory's backup generation capacity, and what is the per-unit cost of diesel versus grid/solar power? - Does the factory have a documented energy transition plan aligned with the CPD's tiered investment framework (investment-ready / investable with support / needs intervention)? A factory that can answer these questions clearly and transparently is likely to be one that has already begun the transition - and one that will be more resilient when the next energy disruption hits. ## The bigger picture: solar as a competitiveness strategy Nishat Nahim Hamid, chairperson of the BGMEA Standing Committee on Energy Optimisation, stated at the CPD event that "productivity has to be at the centre of everything, especially in the export manufacturing sector." Rooftop solar is not just an energy solution - it is a productivity multiplier. Factories that maintain consistent power supply despite grid disruptions can sustain higher utilisation rates, honour delivery commitments more reliably, and avoid the cost penalties of diesel-dependent backup generation. For international buyers, this translates directly into fewer delayed shipments, fewer expedited freight costs, and fewer emergency re-sourcing decisions - the three hidden costs that most erode apparel sourcing margins. ## Talk to TAEEN about solar-ready factory sourcing As Bangladesh's garment sector navigates its energy crisis, rooftop solar is emerging as the single most impactful resilience strategy available to factory owners - and the single most important new criterion for buyers evaluating their supplier base. TAEEN can help you identify solar-equipped factories in Dhaka, Gazipur, and Narayanganj, assess their current capacity and expansion plans, and integrate solar readiness into your ongoing supplier scorecards. [**Get in touch with TAEEN**](https://taeen.com.bd/contact) to discuss how we can strengthen your Bangladesh sourcing programme with energy-resilient suppliers. 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