About SREL

SREL (Sustainable and Renewable Energy Limited), is a Bangladeshi registered company providing renewable energy solutions. The primary focus is on solar energy for small, mid and large scale deployments.

SREL is a leading solar renewable energy EPC company in Bangladesh. Our mission is to drive Bangladesh towards energy independence by providing turnkey engineering, procurement, and consulting services for solar energy projects. We are committed to leveraging the latest technologies and expertise in solar energy and collaborating with local stakeholders, government bodies, and international organizations to create a supportive policy and regulatory environment for renewable energy. At SREL, we are dedicated to providing reliable, affordable, and clean energy solutions to businesses and communities, contributing to the overall socio-economic development of Bangladesh, while also addressing the global challenge of climate change.

In addition to our solar energy services, SREL is also working on providing Lithium-Ion based industrial energy storage solutions ranging from 50KWh to 2MWh. Our cutting-edge technology and expertise enable us to develop customized energy storage systems that can help businesses and communities reduce energy costs, increase energy reliability, and support a more sustainable energy future. With our energy storage solutions, we aim to make clean energy accessible and affordable for all, contributing to a more resilient and sustainable future for Bangladesh.

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Ahsan Ullah Chowdhury


At helm of SREL management is Mr Ahsan Ullah Chowdhury as the Chief Executive Officer. A former Major of Bangladesh Army and Chief Operating Officer of Peoples Telecommunication and Information Services Ltd, he has over 35 years of experience in the telecommunication sector. Under his guidance; over 80 CDMA base stations and more than 250 PSTN exchanges were installed all over Bangladesh. Each of these exchanges and base stations consisted of battery banks and diesel power backup system. He is an expert in placement, maintenance and replacement cycle of standard lead acid batteries, sealed maintenance free batteries and dry cell batteries that were used in the telecommunication sector. 

Shaniur T I M Nabi


Leading the Research & Development is the Director of SREL, Mr Shaniur T I M Nabi. A dynamic engineer and entrepreneur with technical expertise in software development, telecommunication network management, security, optimisation and system integration. Experienced in planning, deploying and maintaining a nationwide PSTN network in Bangladesh. The network is a hybrid of traditional TDM network, base stations, soft switch, CDMA, Centrex and FTTH with a skilled workforce of 391 engineers, technicians and professionals. He has a double degree from RMIT University, Australia on Bachelor of Applied Science (Computer Science) and Bachelor of Engineering (Communication) with honours.

Mission: Empowering Bangladesh through Sustainable Engineering Solutions

SREL is committed to empowering Bangladesh by providing comprehensive engineering solutions that encompass HVAC systems, home and commercial appliances, and renewable energy projects. Through collaboration with stakeholders, utilizing cutting-edge technologies, and delivering exceptional EPC services, the company aims to create a sustainable, energy-efficient, and prosperous future for the nation.

মিশন: টেকসই প্রকৌশল সমাধানের মাধ্যমে বাংলাদেশকে শক্তিশালী করা
SREL এইচভিএসি সিস্টেম, গৃহস্থালি এবং বাণিজ্যিক যন্ত্রপাতি এবং নবায়নযোগ্য জ্বালানি প্রকল্পগুলিকে অন্তর্ভুক্ত করে ব্যাপক প্রকৌশল সমাধান প্রদানের মাধ্যমে বাংলাদেশকে শক্তিশালী করতে প্রতিশ্রুতিবদ্ধ। স্টেকহোল্ডারদের সাথে সহযোগিতা, অত্যাধুনিক প্রযুক্তি ব্যবহার এবং অসাধারণ ইপিসি পরিষেবা প্রদানের মাধ্যমে, কোম্পানিটি দেশের জন্য একটি টেকসই, জ্বালানি-দক্ষ এবং সমৃদ্ধ ভবিষ্যত তৈরি করতে চায়।

Vision: A Sustainable and Technologically Advanced Bangladesh

SREL envisions a future where Bangladesh is recognized as a leader in sustainability and technological advancement. By promoting energy efficiency, renewable energy adoption, and innovative engineering practices across various sectors, the company strives to contribute to the nation’s development while minimizing its environmental footprint. This vision encompasses a Bangladesh that embraces sustainable practices, reduces its reliance on fossil fuels, and ensures access to modern, reliable, and eco-friendly solutions for its citizens.

ভিশন: একটি টেকসই এবং প্রযুক্তিগতভাবে উন্নত বাংলাদেশ
SREL একটি ভবিষ্যত পরিকল্পনা করে যেখানে বাংলাদেশকে টেকসই এবং প্রযুক্তিগত উন্নতির জন্য একটি নেতা হিসাবে স্বীকৃতি দেওয়া হয়। বিভিন্ন সেক্টরে জ্বালানি দক্ষতা, নবায়নযোগ্য জ্বালানি গ্রহণ এবং উদ্ভাবনী প্রকৌশল অনুশীলনকে উন্নীত করার মাধ্যমে, দেশটি তার পরিবেশগত পদচিহ্ন হ্রাস করার সাথে সাথে জাতীয় উন্নয়নে অবদান রাখার চেষ্টা করে। এই ভিশনে একটি বাংলাদেশকে অন্তর্ভুক্ত করা হয় যা টেকসই অনুশীলন গ্রহণ করে, জীবাশ্ম জ্বালানির উপর নির্ভরতা হ্রাস করে এবং এর নাগরিকদের জন্য আধুনিক, নির্ভরযোগ্য এবং পরিবেশ-বান্ধব সমাধানের প্রবেশাধিকার নিশ্চিত করে।