Features
Understanding required system change
by Ranil Senanayake
We need a fresh paradigm towards a permanent truce with nature, in concurrence with her pace and in sync with her rhythm.” –– Ray Wijewardene,
Sri Lanka, is ‘the canary in the coalmine’ of fossil powered economic growth, that promises ‘development’. The pain of withdrawal from addiction is felt from the cooking fires of its homes, to the national energy grids. Can this pain provoke a realization that the only way to stop it from happening again, is to cease this addiction to fossil fuels and choose a new paradigm for growth and development.
It is not only the pain of withdrawal from fossil energy, it is also the awful reality of what we have done the environment that supports us chasing the myth of ‘development’ based the consumption of fossil fuels. I remember the taste of the water in the well from which I would drink go from sweet, to bitter. The bitter taste is a forerunner of the foul chemicals that will eventually make this well undrinkable. What is the value of a good, clean, drinking water well in my premises? To me priceless, but to the economic thinking that rules this nation, only worth what the market dictates. Being a good neighbour, I will gladly share the water from my well with my neighbours. However, because I will not charge them money for my water, the value that it represents to my neighbours, and me, is not computed in framing the national economy. Why?
This insensitivity to environmental and social contracts is not confined to Sri Lanka, it is an artifact of modern idea of ‘progress’ as defined and promoted by global politics as ‘Development’ today, it, unfortunately, compromises the basic needs of all of humanity. As pointed out by innumerable fellow travellers, on this journey of life, we are hurting ourselves; we are reducing our future options.
There is a paradigm shift needed but what is it? Can we look at this world in a different way, so that we can slow this rolling tsunami of hunger, disease and violence? We are constantly being made aware that there is a crisis in food, in water, in health and now in energy, the indicators of the coming tsunami.
In proposing a new paradigm, we must define the existing one first, so that the new can be evaluated. Today, humanity has defined consumerist-led growth, measured by indicators, such as the GDP, as ‘development’. Its operation has seen a rapid decline of the indicators of sustainable living, indicators such as water quality, oil quality, health quality and biodiversity. It looks to create transactions as the final goal. Often, these do not pay a real price and the cost of environmental services loss is externalized, so that it becomes a public liability. Further most of the transactions are made on non-living materials, value being relegated by rarity and demand.
In moving to a new paradigm the most obvious effect will be in the slowing down and, hopefully, reversing the current rapid decline of the indicators of sustainable living, indicators such as water quality, oil quality, health quality and biodiversity. The concept of consumerist growth will be measured by a host of other indicators and not merely transactions. These ‘indicators of sustainable living’ will provide the weighting factors for the computation of established economic indicators, such as the GDP. The real value of the ‘Global Commons’ will be formalized and value given to environmental services, especially those that provide positive externalities I the operation.
This reality is summarized effectively in a saying of the Shuar peoples of the Amazon, they say:
‘Oil represents the sprits of a long dead world, that we use to satisfy our greed for power and sacrifice and our children in return’.
This statement is correct in both metaphorical and real senses.
Oil (and other fossil fuels) does indeed represent a long dead world, be it Devonian coal that came from the mass of the great forests, of that time, or Jurassic oil that came from the productive oceans of that time. Our fossil fuels are indeed made from the bodies of the denizens of those times. They have condensed into energy high substances, from which we extract power and which in turn extracts the sustainability of humanity, as the life support system diminishes.
Carbon that cycles through living systems represents a fixed proportion of the planetary carbon. This carbon, called ‘biotic’ or living carbon, has a very different makeup to other sources of carbon. The biotic carbon cycling in the planetary biosphere is measured in time cycles of thousands of years. This carbon is activated by the energy of the sun fixed by living things. There is another pool of carbon, which is the ‘lithospheric’ or fossil carbon. This is carbon that once existed in the biosphere, but died and was buried underground where they reside for time periods measured in millions of years. This ‘dead’ carbon has no contact with the world of living carbon. Over geologic time, vast quantities of carbon, sequestered by living forms, became fossilized and removed from the biotic/atmospheric cycles to become distilled as the ‘spirits of a long dead world.’
Metaphorically, it reflects the human traditions that state ‘From light comes life, from darkness death’. They represent the age-old battle that divides men, those who choose the power of light and those who choose the power of dark. In human experience, both give power, both extend promises, both require sacrifice. The sacrifice required of when asking for power from the light, is the containment of greed, fasting, meditation, prayer, selflessness, in short the sacrifice of ‘self’. The sacrifice required by humans asking for power from the dark, is the worship of greed, selfish gain and the sacrifice of others. They will happily kill the future for selfish gain, for personal power and wealth.
Thus, the old paradigm of the creation of desire for consumption at the expense of the future and driven by fossil energy must change, if humanity is to progress anywhere.
Just as the power of fossil energy manifested the old paradigm it is the power of radiant energy that will manifest the new.
Radiant energy or light empowers us in two fundamental ways. The first is by maintaining the life support system of the planet the second is by providing electricity to power technological advances that are becoming social norms.
The supply of electricity from sources of energy other than fossil is exemplified by using water (hydro) trees (dendro), wind or radiation (solar). The technology to supply the marketplace is slowed by vested interests (fossil lobby); it is further slowed down by official lethargy.
The other aspect of radiant energy is the phenomenon of primary production, by which the entire living world is maintained. Primary production or the capture of light energy to make biomass, is possible only through the action of photosynthesis, by which Carbon Dioxide from the atmosphere is fused with water to provide the two essentials for life oxygen and biomass. It is the substance that provides the green colour of vegetation.
It is the action of this material, photosynthetic biomass, that makes life sustainable on this planet. The tragedy is, that under the current paradigm, no value is given to this critical substance, value is given only to its products of its action, such as timber or grain. As a consequence of this lack of recognition, the volume of photosynthetic biomass has begun to decrease dramatically planet-wide.
A fundamental consideration of photosynthetic biomass is that it retains value only as long as it is living. Unlike products such as timber, fruit, spices or grains which is valued after ‘harvest’ and is dead, it has no value in a dead state. The moment it is ‘harvested’ and ceases its activity, it loses its value.
So, what is photosynthetic biomass? It is the ‘green substance’ of all plants. On land, it is mostly the leaves of plants, in the sea it is the blooms of algae and phytoplankton. Photosynthetic biomass captures solar energy using atmospheric Carbon Dioxide and water to produce all the foodstuff for animal life of the planet. In addition it produces Oxygen to maintain an air that we can breathe. It also provokes water transformation or the cleansing of groundwater and the creation of rain, i.e. all actions essential for the sustainability of the life support system of the planet. Yet currently, it is only the product of photosynthetic biomass, as sequestered carbon, usually represented by wood/timber, fruits a grain etc. that has been recognized as having commercial value.
How can the recognition of the value of Primary Ecosystem Services contribute towards changing the paradigm?
A primary contribution would be to reverse the damage wrought to the planetary life support systems by making it profitable to restore and enhance the degraded environmental services. If economic and policy decisions create a climate conducive to placing a value on photosynthetic biomass, many critical activities to slow the current trend can be developed and implemented.
The greatest resource to implement these goals of restoration is the rural population. It is only the day-to-day attention to new plantings in the field and an increasing knowledge on the theory and practice of restoration that will produce the healed environments of tomorrow. Consideration of the rural populace, as key players in land restoration, is important because it is the rural person who will often be responsible for the acts that destroy or develop both biomass and biodiversity. Rural out-migration is often a consequence of an inability to make a decent living on the land. It has been the inability to place value on environmental services that constrains the development of new rural opportunities, beggaring the farming communities and their attendant biodiversity. But using photosynthetic biomass as a proxy for environmental services can contribute to reversing this trend.
As photosynthetic biomass can retain value only as long as it is living, the dependence of exporting a product to sustain economic activity ceases. He or she can be paid for the amount of photosynthetic biomass that they maintain alive on their land. Work on restoration suggests that the higher the complexity of vegetation the higher its photosynthetic biomass. Money can be now directed towards sustaining life rather than destroying it!
Such a paradigm change brings with it innumerable opportunities for research, business and market development. Such a move can indeed put us on a better track to sustainability. Such a move can move us from the dark to the light! It only requires the international system to recognize a value for photosynthetic biomass and let the market dictate its worth. We need to grasp the opportunity for change and move from a hydrocarbon driven economy to a carbohydrate driven one!
Features
Approach to constitutional reform
The S.J.V. Chelvanayakam KC Memorial Lecture delivered on 26 April, at Jaffna Central College, by Professor G.L. Peiris, an academic with outstanding credentials, was published, under the title, “Federalism and paths to constitutional reform,” in The Island of 27 April, 2026.
In Part II of the publication, titled “Advocacy of Federalism: Origins and Context,” Professor Peiris states: “At the core of political convictions he held sacrosanct was his unremitting commitment to federalism…”. Contrary to popular belief, however, federalism in our country had its origins in issues which were not connected with ethnicity. At the inception, this had to do with aspirations, not of the Tamils but of the Kandyan Sinhalese. The Kandyan National Assembly, in its representations to the Donoughmore Commission in 1927, declared: “Ours is not a communal claim or a claim for the aggrandizement of a few. It is the claim of a nation to live its own life and realise its own destiny”.
Commenting on S.W.R.D. Bandaranaike’s views, Professor Peiris states: “Soon after his return from Oxford, as a prominent member of the Ceylon National Congress, was an advocate of federalism. He went so far as to characterise federalism as ‘the only solution to our political problems”.
THE COMMON THREAD
The thread that is common to the sources cited above is that while their focus was on the political framework, there is not even a hint as to the territorial units to which the political framework of federalism is to apply. With time the Tamil “nation” claimed that their federal State was to be the Northern and Eastern Provinces of Sri Lanka. However, the Kandyan “nation” was silent on this issue. Since Britain annexed the Kandyan Kingdom and the unified, then Ceylon in 1815, for all intents and purposes it would be reasonable to assume that the claim of the Kandyan “nation” was to be the region under the last Kandyan King, leaving the Western and Southern coastal regions for the Rest of the “nation”.
Sri Lanka, while being a colony under the British, was not interested in political frameworks. Instead, the British were interested in structural arrangements that facilitated Administration. It is evident from the evolutionary processes explored by the British that subdivided units of a State are critical not only for effective Administration but also for the political framework that ensures political stability. Federalism, advocated by the Tamil and Kandyan Leaderships for territorial units, as claimed by them, would inevitably lead to political instability. The lesson to be learnt is not to start with political frameworks, such as Federalism, but to first decide on the territorial units, within which a State functions, to ensure stability, and then frame political aspirations of the People belonging to such a State, in order to ensure political and structural stability.
LESSONS of HISTORY
Material from an article, dated 16 June, 2016
“When the British took control of the Dutch possessions in former Sri Lanka, in 1796, the Kandyan Kingdom was independent and separate from the Maritime region. The Kandyan Kingdom consisted of the “central highlands with the eastern and southeastern coastal strips”. It was after ceding of the Kingdom, at the Kandyan Convention of 1815, and after the rebellion of 1817-1818, that the two regions were merged. However, despite the merger, the administration of the two regions remained divorced from each other, with the Kandyan region being divided into 11 Districts, and the Maritime region into five, creating a total of 16 Districts for the administration of the whole country (Sir Charles Collins, Public Administration of Ceylon, 1951, p. 49).
“The above arrangements continued until the recommendations of the Colebrook – Cameron Commission. In 1832, the recommendations of the Commission were accepted , “… and the separate administrative system for the Kandyan provinces was abolished and amalgamated with the territories on the littoral acquired from the V.O.C. in a single unified administration structure for the whole island. The existing provincial boundaries within the two administrative divisions – the Kandyan and maritime provinces – were redrawn, and a new set of five provincial units, of which only one – the Central Province – was Kandyan pure and simple, was established. The new provincial boundaries cut across the traditional divisions and placed many Kandyan regions under the administrative control of the old maritime provinces” (K.M.de Silva, A History of Sri Lanka, 1981, p. 263), continued until as late as 1889, resulting in nine Provinces for the sole purpose of facilitating the Colonial administration. In point of fact, the Province never functioned as the administrative unit. Instead, the administrative unit was essentially the District, and the situation has remained so throughout the Colonial period and into this day. According to Sir Charles Collins cited above: “Most provinces were divided into districts, each Government Agent having charge of his own district, with general supervision over the whole province. The districts not in the direct charge of Government Agents were under the control of assistant Government Agents”. (Ibid, p. 62.)
PRIORITISING POLITICS OVER STABILITY
The lesson learnt by the British was that if a Colony is to be Administered effectively, the Colonizer had to choose the most appropriate unit of administration. Similarly, to an Independent Sovereign State, Territorial Stability should be its foremost priority. This means deciding on the most structurally secure territorial unit within which political power sharing should operate and not prioritise political frameworks, such as Federalism, at the expense of the structural stability of the State. Political instability would have been inevitable had Sri Lanka succumbed to pressures from the Tamil and Kandyan Leaderships.
Although Britain was not concerned with territorial stability, they recognised that the District was the most effective unit for effective administration. In fact, the 1977 Constitution describes the Territory of Sri Lanka in terms of Administrative Districts. Despite this, it was the Indo-Lanka Accord that first recognised the Northern and Eastern Provinces as political units. Following this, the 13th Amendment of 1987 extended this recognition to all Provinces.
The adoption of the Province as the political unit may not have had an impact on the territorial integrity of the Sri Lanka State, except for the Northern and Eastern Provinces, judging from the events that followed over three-plus brutal decades. The transformation of the territory of Sri Lanka, from Administrative Districts to Provinces and Provincial Councils, is the direct result of prioritising politics over territorial stability. For India to be the handmaiden of this transformation is beyond comprehension because instability in Sri Lanka, in whatever form, would impact on India’s own territorial integrity. This serious blunder cannot be ignored any further for the sake of both Sri Lanka and India. It is imperative that measures are taken to engage in a course correction through Constitutional Reform.
PROPOSED CONSTITUTIONAL REFORMS
The path to Constitutional Reform should start with the territorial subdivision of the Sri Lankan State into Districts, not only to ensure the territorial integrity of the State but also to improve administrative and development efficiencies coupled with Local Government units; a lesson learnt from the British. Any political powers devolved/decentralised to Districts should be the responsibility of District Councils, elected by representatives to Local Governments within each District.
Political power at the Centre should reflect the commitment to a single Sri Lankan Nation, through an elected Legislature, with Executive Powers being shared by a President/Prime Minister, with a Cabinet made up of all communities, in the ratio represented in Parliament. An attempt to share Executive Power with all communities, in an inclusive Cabinet, has not been the practice in the past, and under the present government, as well, despite its strident calls for unity and reconciliation. Consequently, the tendency for minority communities is to seek peripheral power to the maximum extent possible.
CONCLUSION
The approach to Constitutional making has been how best to accommodate political power in the form of Federalism, first by the Kandyan “nation” and later by the Tamil “nation”. The claim by the Tamil Leadership morphed from Federalism to a Separate State resulting in tragedies of an unimaginable order, to the point of threatening the very existence of the Sri Lankan State.
The current arrangement is based on Power being devolved to Provinces, in the form of Provincial Councils, with no regard the Province, makes to the territorial durability of the Sri Lanka State. How successive Governments hope to prevent threats to territorial vulnerabilities is to curtail the operation of sensitive provisions of devolved powers. This is being disingenuous.
On the other hand, the more direct and forthright approach to Constitutional Reform is to make the District the unit of peripheral power in order to ensure territorial stability and effective peripheral development and share Executive Power with communities in the ratio of their representation in the Legislature. The first could be achieved through a referendum and the second by the President/Prime Minister of any government. This approach prioritises territorial stability over political power; a change that has eluded policymakers. Therefore, it is imperative that territorial stability is given the foremost place in Constitutional Reform processes for the sake of not only Sri Lanka but also for India, for reasons of connectivity.
by Neville Ladduwahetty
Features
Time to get ready to face power
The power cuts are already here. Perhaps, even before the date predicted by the Public Utilities Commision of Sri Lanka (PUCSL. The peak load has gone well past the threshold they indicated as the tipping point of 3030 MW of peak load. It is now will past 3100 MW and growing, perhaps triggered by the continued heatwave making the use of air conditioners and fans more frequent and by a wider group of consumers. The government insists there is no intention of power cuts but each of us have experienced some form of power outage, without notice, at some time or other.
It is in this scenario that the Ceylon Electricty Board (CEB), or whatever it is called now, had directed all roof top solar projects, over 300 MW capacity, to shut down for the period 10th April to 20th April.
This is in addition to the curtailment of all ground mounted solar and wind projects, and even mini hydro projects, without compensation, going on for some months.
One year of inaction by CEB with the problem staring in the face
If will be recalled that the same demand was made in April, 2025, after the debacle of the countrywide blackout on 9th February, 2025, whether caused by a monkey or otherwise.
The question to be raised is what steps have been taken by the then CEB, or the Ministry to anticipate the situation this year, too, and to try and mitigate the same.
The easy answer is absolutely nothing. If at all what has been done is unilaterally prevent any further addition of Roof Top Solar PV, under the provisions of the Surya Bala Sangramaya (SBS), is, undoubtedly, the only short term and economical means to add low cost renewable electrical energy to the grid.
The architect of the SBS, the Sustainable Energy Authority is deafening by their silence, when their signature project of prime national importance has been sabotaged, and now even the performance of the already installed systems are being curtailed.
This action is totally unbelievable when the use of expensive oil-based generation will continue unabated, even during the day, when there is so much solar energy already installed. Of course, the age-old excuse will be trotted out, of the non-firm nature of Solar and Wind and problems of grid stability, etc.
Many useful and practical solutions to face the growing issue of how to integrate the essential low cost but variable resources of solar and wind to the grid as an aftermath of the blackout were discussed over a year ago.
But nothing seems to have even been attempted. The most prominent among these was the proposal to add 300 MW of grid scale batteries, as indicated in the already-approved Long Term Electricity Generation Plan ( LTEGP 2024 – 2044,) of which 100 MW should have been in use by 2026. The tender for the addition of 16 X 10 MW battery storage at selected grid substations was called over a year ago. Some expectation of sanity
It is under these circumstances that the PUCSL called for a stakeholder consultation on the 10th April, 2026, after circulating a concept note, which was well attended. It was a breath of fresh air, in view of the downhill slide of the entire electricity sector in the recent months compounded by the raging controversy of the coal scam and the rapidly increased use of expensive diesel, in addition to the other fossil fuels, just to keep up the generation to match the demand. The double whammy of the doubling of the fuel prices , exacerbated the hit on not only the consumer’s monthly bill, but the national economy and balance of payments.
Therefore, it was most encouraging to note from the PUCSL’s concept note that sanity has prevailed at last. We have been demandin–g some concrete strategies and time based targets to rid at least the electricity sector from the use of expensive, polluting fossil fuels, commencing with oil. This is the only means by which the utility could hope to achieve some degree of economic and financial viability. They have continued to burden the consumer and the country by continually jacking up the consumer tariff, while ignoring any prudent means to clean up their Act. As a matter of interest, the CEB’s own data of 2023 shows that it is possible to save some Rs 113 Billion annually by replacing all oil-based generation using renewables. The country could have saved over $ 700 Million in Foreign Exchange and the Consumer Tariff could have been lowered by Rs 7.00 per Unit across all segments of consumers.
Therefore, the PUCSL concept paper out lines, some credible measures to eliminate the use of all of forms of oil for power generation in stages. The three tier of approach, outlined as option 1 to 3, reproduced here, should be commended for adopting a pragmatic approach, with very good chance of success.
Proposed options by PUCSL
(See Options 1 Peak Shaving Approach by 2027 and Option 2: Eliminating 2.06 GWh/day of diesel-based generation)
Considering even the recent past when we achieved a status of zero oil use, as compared to the present sorry status, this is not an extremely difficult task. We will have to substitute Solar PV to bridge the gap of reduced Hydro during dry months.
(See diagram 1)
RE Contribution 69% % Oil Usage 6.2 % No Diesel
(See diagram 2)
In Contrast on 30th March RE Contribution was only -43,5%
and oil use has gone up to -29.59%
However, as outlined in the introductory paragraphs of the concept paper, the driving force to promote this change is the early declaration of appropriately worked out tariffs for installation of storage batteries and delivery of the stored energy to the grid.
With the total lack of progress of proposals in the LTEGP 2025-2044 by the state institutions, it is prudent to assume any future initiatives can only come from private sector participation.
Using the power granted by the recently ratified Electricity Act NO, 36 (As amended) the PUCSL has moved with commendable speed to develop the Feed in Tariff declarations needed to enable the achievement of the above objectives and a further stakeholder consultation was held on the 24th of April when more detailed proposals were put forward.
However, although the responsibility of publishing the tariff remains with the PUCSL, unless the National System Operator ( NSO ), tasked with the planning and implementation of Electricity Sector developments , takes urgent action to implement the desired changes as a highest priority task, nothing will be gained to help the country to get out of this quagmire.
The Consumer Continues to be Burdened.
Further, as the time table proposed by the PUCSL itself indicates, even the first of the options can be implemented only in 2027, with the others following up to the year 2030.
These are very encouraging time targets and the consumers will eagerly await their achievement.
However, the threat of power cuts, as well as continuing increase in consumer tariff to fuel the use of diesel for power generation, is real and current. A further tariff increase of 18% has been demanded by the NSO, on top of the 15% granted on 1st April, 2026.
The Immediate Options Available to Consumers.
a) The CEB now refuses to provide any grid connection for integration of any rooftop solar PV systems under the Surya Bala Sangraamaya.
b) The only way available to the consumers is to install Off grid roof top solar systems with adequate batteries to be none dependent on the grid. Use the grid only during the off peak hours.
c) During most periods of the year, even under cloudy conditions there is some solar generation. To ensure the daily consumption is more than covered by the solar input and any surplus is used to charge the battery, to the level adequate to manage the evening and peak hour demand, the capacity of the solar panels and battery have to be determined.
d) It is to be noted that although only the relatively high-end domestic consumers could find the proposed scheme financially feasible under the present cost regimes, which will improve further when the second tariff increase is announced shortly, to those consuming over 250 Units/Month, their engagement has a sector wise positive implication which is beneficial to all levels of consumers.
e) The scheme will operate in an off grid mode, without exports to the grid at any time. Therefore, they will not contribute to the often voiced worries of over voltage, instability and variability in the national grid.
f) Once the PUCSL announces the required FIT and the NSO or the Distribution Companies institutes the necessary facilities, such as smart meters, such consumers, too, can further assist the grid by export of any excess they generate.
Proposal to Avoid Power Cuts Implementable by Domestic Consumers
There are several drivers which will attract the potential ” Prosumers” to adopt this option without delay.
* The consumer tariff will continue to rise
* Even the former Roof Top Solar Systems, without batteries, does not provide power during the power cuts or blackouts
* At present day prices, the investment is financially feasible, based on the savings of the current level of monthly electricity bill. A substantial bank loan can be comfortably settled from the savings
* Now cooking with electricity is no longer a financial burden but can save one from the cost and danger of LPG shortages and queues
* What you, do based on your economic ability, will be a service to all consumers as the resultant reduction of Peak Demand means the use of Diesel can be gradually reduced and the lower end consumers, too, will benefit.
* You will enhance your green credentials with your own financial benefits.
The overall benefit to the grid and other consumers
If the element of exorbitant cost of diesel-based generation is removed then there is no need for the increase of consumer tariff for all consumers.
What is more important is that trimming the peak load would drastically reduce the need for any power shredding that is happening on the sly now and thereby benefit all consumers,
The summary of Financial Analysis illustrating the viability based on currently available data is given here. This will improve drastically if a further increase in consumer tariff is granted, which appears inevitable. (See Table 01 – The basic data used for this analysis is available on request.)
by Eng Parakrama Jayasinghe
parajayasinghe@gmail.com
Features
From Coal to Solar: China’s sunken mines power a Green Revolution: Lessons for Sri Lanka
In a striking symbol of the global energy transition, vast stretches of once-abandoned coal mines in China have been reborn, not as relics of an industrial past, but as shimmering hubs of renewable energy.
What were once scarred landscapes, destabilised by years of mining, and later submerged by landslides and floods, have now been transformed into expansive artificial lakes.
Floating atop these waters are some of the world’s largest solar power installations, quietly generating clean electricity on a massive scale.
Among the most notable are the Fuyang Floating Solar Farm and the Huainan Floating Solar Farm. Together, they represent a remarkable engineering and environmental achievement.
The Fuyang facility boasts an installed capacity of 650 megawatts, producing approximately 700 million kilowatt-hours of electricity annually. Even more impressive, the Huainan project reaches a staggering 1 gigawatt capacity, generating nearly 1.8 billion kilowatt-hours each year. Combined, these floating giants produce enough electricity to power millions of homes without burning a single lump of coal.
A former General Manager of the Ceylon Electricity Board (CEB), a veteran electrical engineer, described the development as “a glimpse into the future of energy systems.”
“What China has demonstrated is not just technological capability, but strategic foresight. Turning environmentally degraded land into clean energy assets is the kind of thinking countries like Sri Lanka must begin to adopt,” he said.
Why solar on water?
Floating solar, or “floatovoltaics,” offers a range of advantages that traditional land-based solar farms cannot easily match.
Water naturally cools solar panels, improving their efficiency by an estimated 10 to 15 percent. In hot climates, this cooling effect can significantly boost electricity generation.
Additionally, the panels reduce water evaporation, a crucial benefit in regions facing water stress. By limiting sunlight penetration, they also help suppress algae growth, improving water quality.
Perhaps, most importantly, floating solar eliminates the need for large tracts of land. In densely populated or agriculture-dependent countries, this is a game changer.
A dual economy: Fish and power
In an innovative twist, some of these floating solar farms incorporate aquaculture beneath the panels. Known as the “fisheries + solar” model, it allows communities to cultivate fish in the shaded waters below, creating a dual-income system, energy production above, food production below.
This integrated approach not only maximises resource use but also supports local livelihoods, blending sustainability with economic resilience.
Environmental dividends
The environmental benefits are substantial. The Fuyang project alone reduces carbon dioxide emissions by an estimated 580,000 tons annually, while the Huainan facility cuts emissions by around 1.6 million tons each year.
Beyond emissions, these projects reclaim landscapes once deemed unusable—areas heavily damaged by coal extraction. In doing so, they rewrite the narrative of industrial decline into one of ecological restoration and innovation.
Sri Lanka: A nation poised for floating solar For Sri Lanka, the implications are profound.
Unlike China’s abandoned coal pits, Sri Lanka possesses thousands of irrigation tanks, reservoirs, and hydropower catchments that could serve as ideal platforms for floating solar. From the ancient tank systems of the dry zone to major reservoirs like Victoria Dam and Randenigala Reservoir, the country holds untapped potential to generate clean electricity without sacrificing precious land.
The country’s reliance on thermal power, particularly during drought periods when hydropower declines—has long been a challenge. Floating solar could provide a stabilising solution, reducing dependence on costly fossil fuels while complementing existing hydroelectric infrastructure.
Energy analysts note that integrating floating solar with hydropower reservoirs can create a hybrid system: solar power during the day, hydropower balancing supply at night. This synergy enhances grid stability and reduces overall generation costs.
The former CEB official stressed the urgency:
“Sri Lanka cannot afford to delay. With rising energy demand and climate pressures, we must explore every viable renewable option. Floating solar on our reservoirs is one of the most practical and scalable solutions available.”
Challenges and the road ahead
However, experts caution that careful planning is essential. Environmental assessments, grid integration, and financing mechanisms must be properly addressed. Community engagement, especially where fisheries are involved—will also be key.
Yet the blueprint already exists.
China’s transformation of submerged coal mines into renewable energy hubs offers more than inspiration—it provides a working model. For Sri Lanka, adapting that model to its own geography could mark a decisive step toward energy independence.
China’s floating solar farms stand today as one of the clearest symbols of a world in transition—from fossil fuels to renewables, from environmental degradation to restoration.
For Sri Lanka, the message is equally clear: the future of energy may not lie on land alone—but on water, where sunlight meets innovation.
If harnessed wisely, Sri Lanka’s vast network of reservoirs could one day mirror that transformation, turning calm waters into engines of sustainable growth.
by Ifham Nizam
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