The quest for sustainable fishing practices has gained significant momentum in recent years, driven by the increasing awareness of the environmental impacts of traditional fishing methods.
One innovative approach with immense potential is the utilization of solar-powered boats in the fishing industry. Solar energy, a renewable and clean power source, offers a promising solution to Pakistan's fishing sector challenges. Researchers have explored integrating solar-powered technology into fishing boats with promising results. A study on floating solar plants highlights the potential of leveraging water bodies, such as reservoirs, lakes, and oceans, to host solar arrays. Solar-powered boats can harness abundant solar energy in open waters. Integrating solar power with existing hydropower plants provides a synergistic solution, smoothing solar generation variability. As floating solar technology matures, the fishing sector is poised to embrace this innovative solution for a more sustainable future.
The implementation of solar-powered fishing boats, however, is not without its challenges. Factors such as the availability of suitable water bodies, the stability and durability of the floating solar systems, and the integration with existing fishing infrastructure must be carefully addressed. Despite these challenges, the potential benefits of solar-powered boats in the fishing industry are substantial. As the technologies mature and the market for floating solar expands, the fishing sector can lead the way in embracing sustainable practices and reducing its environmental impact.
An overview of current research on renewable energy in maritime applications can provide valuable insights and guidance for the successful implementation of solar-powered fishing boats. While the journey towards a more sustainable fishing industry in Pakistan may be complex, the integration of solar energy is a crucial step in harnessing the power of the sun to advance the future of this very important sector. India and other countries can serve as models for the global adoption of this innovative approach, paving the way for a more sustainable and environmentally conscious fishing industry. In the case of Pakistan, the potential for solar-powered fishing boats along the coast of the Arabian Sea can be significant, particularly in areas where traditional fishing methods have contributed to environmental degradation.
With over 26,000 registered fishing boats, adopting solar technology can significantly impact Pakistan's fishing industry by reducing diesel costs and engine maintenance while promoting a cleaner environment. Inexpensive solar technology can also improve the livelihoods of fishing communities. As Sindh and Balochistan modernize fish landing sites and infrastructure, especially at Korangi and Kund Malir, converting at least 20 per cent of boats to solar power can drive sustainable fishing practices. By adopting solar grids at coastal locations, Pakistan's fishing sector can showcase renewable energy's potential in the maritime domain. Additionally, solarized 40-foot containers at fish landing sites can minimize postharvest losses by providing cold storage and refrigeration facilities.
The advantages of solar boats are not limited to seaborne fishing but also riverine and dam-based fishing activities. The adoption of greenhouse-related solar-powered hydroponics farming can further diversify livelihood options for the coastal communities. In order to make such a novel idea bankably viable, effective policy and regulatory frameworks along with supportive financial instruments will be critical. Avenues like Kamyab Jawan, Akuwwat, and even public-private partnerships can be leveraged to facilitate access to affordable credit for the fishing communities to convert their existing boats to solar-powered ones, or to purchase new solar-powered fishing boats.
In selecting fishing boats for solar energy integration, criteria such as boat size, deck space, typical fishing routes, and operational energy requirements are crucial. The design and installation of solar panels must ensure optimal sunlight exposure, structural modifications for support, and integration with existing electrical systems. Real-time monitoring of energy consumption and solar output, along with computational simulations and performance assessments, evaluate the system’s effectiveness and reliability. A comprehensive pilot model addressing technical, economic, and regulatory aspects is essential for transitioning to solar-powered boats. Close collaboration between the fishing industry, solar technology providers, and policymakers is necessary to overcome challenges and unlock this sustainable solution's potential.
Pilot projects or experimental setups for solar-powered fishing boats in Pakistan can draw valuable insights from similar initiatives in countries like India and the Philippines. In India, several coastal states have launched projects to retrofit traditional fishing boats with solar panels, aiming to reduce fuel costs and environmental impact. For example, the Kerala government has supported fishermen in adopting solar energy by providing subsidies and technical assistance. The Philippines, with its vast archipelago, has also embraced solar-powered fishing boats, focusing on remote communities where fuel supply is challenging and expensive. These boats not only reduce operational costs but also minimize carbon footprints and noise pollution, benefiting marine ecosystems.
The technical analysis of integrating solar energy into fishing boats begins with selecting solar panels with high efficiency and suitable energy output to meet the boat's operational demands. Panels should be durable, lightweight, and resistant to marine conditions. In India, projects in Kerala have demonstrated the effectiveness of using high-efficiency monocrystalline panels, which provide ample energy for daily fishing operations. The detailed component specifications for implementing solar-powered fishing boats should be designed to ensure optimal performance, durability, and efficiency tailored to the unique demands of marine environments of the North Arabian Sea (NAS).
For example, in India, pilot projects have utilized monocrystalline solar panels due to their high efficiency (20-22 per cent) and compact size, which is critical for maximizing energy production within the limited deck space available on fishing boats. These projects typically employ marine-grade panels that can withstand saltwater corrosion and harsh sea conditions. Lithium-ion batteries are specified for their high energy density, long cycle life, and deep-cycle capabilities, providing reliable energy storage to meet the boat's peak energy needs for at least 24 hours.
A sample size from solar fishing boats includes 10-meter vessels with 30 square meters of solar arrays, consisting of 10 panels, each producing 600W, for a total output of 6 kW. The energy storage system has 10 lithium-ion batteries, each with a capacity of 6 kWh, totaling 60 kWh. MPPT inverters and charge controllers optimize energy harvesting and power management. These specifications, validated in India, are crucial for achieving a reliable power system for sea-going fishing boats, supporting long-term adoption and scalability.
To be continued
Muhammad Jawad Akhtar is a maritime policy specialist; retired commodore and former advisor to the Ministry of Planning, Development & Special Initiatives, GoP. He can be reached at: jawad_jdyahoo.com
Naufil Shahrukh is a policy communication specialist, maritime researcher and PhD scholar at Quaid-e-Azam University, Islamabad.
He can be reached at: naufil.shahrukhgmail.com