29 November, 2020

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Solar And Wind, The Way To Go

By Charitha Ratwatte

Charitha Ratwatte

Charitha Ratwatte

Sri Lanka has few natural mineral resources in abundance, but two resources which are available in abundance and virtually free of charge are wind and solar energy.

Our nation has got an opportunity to go for a win-win situation by reviewing our energy policy and going hard for pollution free solar and wind, unlike the fossil fuel options. All these so called mafias or lobbies for coal, for diesel, for hydro, and whatever else, should be summarily ignored and a policy should be put in place to give priority on an emergency footing to tap the full potential of mobilising power from solar and wind.

There are a number of viable projects in operation already and the experience is available. All we need is to get the policy framework into place, provide the incentives and treat the investors decently. The international financial institutions and international investors will respond with enthusiasm for any concrete sustainable investment opportunities in alternative energy exploitation and industrial activity related to the field.

India

Look at our neighbour India. Prime Minister Modi, when he was the Chief Minister of Gujarat state, was an early proponent of solar power for his state. Now as Prime Minister he is continuing the initiative through his ‘Make in India’ policy. The US-based solar power developer and the Indian billionaire businessman Gautam Adani, through his company Adani Power, has planned an investment exceeding $ 4 billion in a joint venture for the manufacture of solar power panels.

The factory for photovoltaic solar panels would be located in Gujarat state; it would be the largest in India. It is to begin production in 2018. This investment is in line with PM Modi’s Government’s plans to install a huge solar power production capacity, capitalising on plentiful year round sun shine in India’s Western desert states like Gujarat.

Champika - pic Indika Handuwela: Sunday Times

Champika Ranawaka – Minister of Power and Energy

Sri Lanka, located to the south of and closer to the equator than India, with arid areas like Mannar and Hambantota, with a bountiful supply of sunshine and also blessed with regular monsoon and local convectional winds, would be as suitable for alternative energy production facilities.

India recently announced a target of installing 100 gigawatts of solar capacity by 2022. The last Congress government had a target of a mere 20 gigawatt target! Last year India produced just three gigawatts of power from solar sources. This shows the gigantic ambition PM Modi has set for his nation.

India’s current Minister of State for Finance Jayant Sinha has cited solar technology as an important example of the next generation of industries India needs to attract as it tries to match China as a world manufacturing power.

Vineet Jaain, Chief Executive of Adani Power, described the Gujarat investment as a part of a wider push to diversify the huge conglomerates predominantly coal-based energy business. “India has embarked on an ambitious program to become a world leader in power generation from renewal technologies and sees solar as a key part in realising that goal,” said Jaain.

However, international investors have been wary of investing in India’s power sector over the years, for reasons such as bureaucratic delays, rising debts, fuel shortages and strict price controls, even though there is chronic under capacity and projections of rapidly rising demand.

But the level of optimism can be measured by the news that the Hong Kong-based China Light & Power has announced plans to invest as much as $ 2 billion in a new coal based power plant, also in Gujarat. In the past China Light & Power has complained of many obstacles facing a smaller gas-based power plant already operating in Gujarat. Notwithstanding this, the company is intending to invest in the new facility.

Revolutionary change

With alternative energy sources improving their economic performance virtually by the day, combined with the USA accessing more and more domestic sources of crude oil and gas through hydraulic fracturing technology and the Saudis refusing to reduce their production so that the US ‘fracking’ extraction will become uneconomical, the state of play in the power sector has undergone a revolutionary change.

South Asia’s power producers are faced with mammoth problems with galloping consumption of electricity. Conventional energy generation is in a mess in most South Asian countries, except Bhutan and Nepal, which have vast untapped hydro resources and low demand/consumption. Importing coal, gas or oil is expensive (even though oil prices are currently low – but this will not last), even in countries like India, which has coal resources; the state coal monopoly is unable to dig out enough coal to meet the demand.

A recent attempt by the Modi Government to open coal exploitation to private investment led to industrial unrest, which caused the government to backtrack. The domestic coal extracting industry is one horrendous mess of corruption. Tycoons such as Kumar Mangalam Birla of the Adithiya Birla Group and Naveen Jindal of Jindal Steel and Power have got embroiled in corruption litigation, causing panic among Indian tycoons. As a result, brown-outs and blackouts are the norm; consumers rely on highly polluting diesel.

India has found some oil and gas in the Cauvery Basin, but not as much as expected. On the Sri Lanka side of the border in the Palk Strait, in the Mannar Basin, two gas discoveries have been made by Cairn India. There is an issue as to whether these are commercially-viable quantities. The price at which it can be extracted and sold has not been worked out. It is said that it would be a floating price negotiated depending on the cost of production and the benefit of import substitution to the CEB.

Solar and bio-mass

Solar power is one of the recent success stories in the renewable energy sector. Photovoltaic solar panels – which generate electricity from sunlight to charge batteries that power lamps, fans and mobile phone chargers – are spreading fast in South Asia. This is one clear manifestation of the global energy revolution.

Bangladesh is a case in point. Munawar Misbah Noin, Managing Director of Rahimafrooz Solar, which assembles modules for solar panels at his factory in a rural area of Bangladesh, claims that Bangladesh is now the global champion of off-grid solar systems in homes, with two million units installed and another new 80,000 units being added each month.

In neighbouring India, in the middle of the Rajasthan desert, row upon row of angled solar panels are generating power from the sun, at a much larger scale than what can be used at the household level, and is connected to the Indian national grid. Many established old corporate entities have cashed in by switching to alternative energy generation.

An example is Welspun Energy, a renewable power company spun off from a family textiles group. Its Managing Director Vineet Mittal says: “I’m seeing across the political spectrum that there are no second thoughts in any of the political parties that energy security is vital and that Indian must take steps to exploit whatever alternative, renewable energy resources which are available.”

The Welspun solar power producing facility at Phalodi, in Rajasthan, has a maximum output of 50 megawatts, and is the largest photovoltaic solar power plant in India. Indian solar energy capacity is today just over 1.8 gigawatts. These solar energy plants are located mostly in Gujarat and Rajasthan, two states which are blessed by unimpeded sunlight for 300 days in the year.

India’s PM Narendra Modi, when he was Chief Minister of Gujarat state, was at a place called Charanka, on a desolate salt plain in North Eastern India, near the Indo/Pakistan border. He stood before a crowd on around 5,000 people and a brass band and said: “I pray, Sun God, that today Gujarat will show the way to the rest of the world for solar energy.” The occasion was the opening of a solar energy generating facility consisting of half a billion dollars’ worth of solar energy generating panels stretching as far as the eye could see.

India is also going ahead with bio-mass generation of power. The Punjab Biomass Power plant near Ghanaur, a former coal power plant, processes 120,000 tons of rice straw a year to produce 12 megawatts of power. The plant purchases from farmers rice straw, a waste product of agriculture. The plant is also eligible for carbon credits.

Finland, Sweden and countries which have well-managed forests and well-developed transport infrastructure are also major users of biomass. In India collecting, storing and transporting the biomass creates many challenges. A dendro fuel wood power plant set up near Mahiyangana in Sri Lanka also ran into similar logistical problems. Biomass can also be used in mini gassifiers in rural areas, it is estimated that India has between 800 and 900 small biomass plants operating.

Grid parity

Globally, solar power has long depended on government subsidies. However the price and the cost of production and procurement of photovoltaic technology has fallen so fast and the efficiency of the cells to produce power and storage battery capacity have all improved so much that the cost per unit of solar electricity is fast declining towards what is known by energy economists as ‘grid parity’.

Grid parity or socket parity occurs when an alternative energy source can generate electricity at a levelised cost that is less than or equal to the price of purchasing power from the national electricity monopoly’s grid. The term is most commonly used when discussing renewable energy sources such as solar and wind. Reaching grid parity is considered, by energy economists, the point at which that renewable energy source becomes a viable contender for widespread development without subsidies. A wholesale shift in generation to these forms of energy production will take place when they reach grid parity.

Grid parity has already been reached in solar power in India and Spain in 2013, and in some locations with on shore wind power in the year 2000.The only drawback faced by solar technology is the inability to generate power when the sun is down and the difficulty of storing the electricity produced. This means that solar power has to be one of a mix of energy sources for any national network for it to be practical.

In South Asian nations, which have the land space, like India and Pakistan, vast extents of barren deserts like Rajasthan and Baluchistan, etc., in the future mix of energy procurement, large-scale solar is going to be relatively more important than in countries like Sri Lanka, Nepal and Bangladesh.

Bureaucratic and fiscal hurdles

Solar power in India costs half the price of power produced by diesel generators. In the short term, however, investors in solar power generation in India are obstructed with bureaucratic and fiscal hurdles such as international trade disputes over ‘cheap’ Chinese solar panels, which India are claims are dumped at below cost of production prices in India, the Indian Government demand that producers buy locally assembled panels, to local indebted state electricity monopolies being unable to pay suppliers on time for power purchases.

In Spain, the Government provided lavish subsidies for the procurement of solar panels and related generating equipment and attractive purchase prices for solar power, but later, stunned by the speed at which technology costs had fallen, tried to back out of contracts to purchase solar power at the older, higher rates.

The problem has arisen in India too. In Gujarat for example, the state has contracted to pay Rs. 12.54 per kilowatt hour for power from its early private solar plants, while the Welspun’s Rajasthan plant launched in 2014 is selling at Rs. 8. The latest bids in India have been close to Rs. 5. Other problems being faced in India are the difficulty in acquiring land to set up vast extents of solar panels and inadequate connections to link new solar power producers to the national and state grid.

Mercom Capital, an energy consulting firm, reckons that India will install only about one gigawatt of solar capacity this year, about the same as last year. This is despite headlong expansion elsewhere in the world and the great potential in India for the sector to expand rapidly and create much-needed employment opportunities. Mercom says: “The decision to pursue anti-dumping investigations against Chinese solar panels and insist of local procurement have all but paralysed the sector.”

Producers such as Welspun, which is building a 150 megawatt solar plant in Madhya Pradesh with equipment from China and has further plans for a total of 1.75 gigawatt of wind and solar capacity, say they are willing to buy local Indian products , as long as Indian manufacturers can guarantee the necessary scale quality and price of their output.

India, like so many other emerging and developing economies, is losing out on another industrial opportunity by trying to protect local Indian manufacturers, instead of forcing them to compete with world class producers. The policy has been described as inconsistent and ‘very patchwork’ by Raj Prabhu, Mercom Chief Executive. Prabhu adds: “In India coal is just not working. Solar and wind are the answers. They are the future.”

Solar energy an obvious winner

Solar energy would seem an obvious winner for Indian specifically and South Asia in general. The ADB has advised Sri Lanka to reduce its dependence on thermal sources and go more for renewable sources of power generation. Solar parks are easier to build and will prove less controversial than nuclear plants, after Japan’s Fukushima disaster. Germany has decided to go off nuclear power and is promoting solar power and other renewables with attractive incentives.

The cost of solar power generating equipment has fallen by a third, says Alan Rosling of Kiran Energy, a solar firm operating in India backed by American private equity funds. Cheaper solar and pricier conventional power has persuaded many that solar energy will soon become very competitive, without lavish subsidies.

V. Saibaba, Head of Lanco Solar, which operates solar parks in India, says by 2016 Indian solar will match the price of conventional electricity, i.e. grid parity. Sunil Gupta of the Standard Chartered Bank estimates that India’s share of the new global solar installations will rise from 1% in 2012 to 5% by 2015. But this was before PM Modi set the target of 100 gigawatts by 2022. Other South Asian nations should take note.

If Sri Lanka gets the policy framework right and is sufficiently investor friendly, we can give neighbour India a run for her money in attracting investors in alternative energy related industries and power production itself, especially if the CEPA with Indian comes to fruition. The Energy Services Delivery (ESD) and the Rural Energy for Rural Economic Development (RERED) projects through its imaginative publicity promotion program ‘Gamata Light,’ implemented by the Sri Lanka Business Development Centre (SLBDC) and designed by Phoenix Ogilvy, supported by a Word Bank soft loan, brought about an increased awareness of solar panels for household lighting and a number of businesses marketing solar panels and related products came into being. The CEB is now buying power generated by households through solar panels fed into the national grid at the same per unit price at which it sells power to consumers.

However, solar panel power is not without its flaws; there are limitations of high installation capital costs, and although there is hardly any recurrent cost, skies overcast by cloud, night time and dirty panels are limitations. Another solar technology is solar thermal, which uses mirrors to concentrate heat, produce steam and drive turbines. There would be potential in our arid zones of Mannar and Hambantota. Such solar thermal plants can be built on the scale of gas fired power stations, generating a few hundred megawatts at a time.

Easing national grid pressure

Another possible approach would be to encourage householders already connected to the national grid in Sri Lanka, through tax incentives, to install solar panels and have a set of alternative lights powered by solar panels. This would take the pressure off the national grid. Solar panels are available at very low cost from China, in a few years India, will also be a source, and if there are fiscal incentives given, householders can be encouraged to use solar power for at least a part of their household lighting requirements. A step further may be to allow householders and industrial plants who can generate a surplus of alternative renewable energy to sell some power to their immediate neighbours, say in the same Grama Niladhari division. This will require the transmission and distribution monopoly of the CEB to be changed. Monopolies are history, especially statist ones. Generation of power is no longer a monopoly of the state. Localised transmission and distribution to households should be allowed, subject to special safeguards and precautions.

In the tea and rubber plantations, in the old days, power generated from the mid-stream Pelton turbines installed in rivers and streams near the factory were connected to generators and electricity was distributed by the estate to the superintendent’s and staff quarters. This is nothing new. We need some out-of-the-box new thinking in this sector, if we are to break out of the ‘energy paralysis’ and ‘coal power fixation’ we have got ourselves into and exploit the low cost energy resources we have available.

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Latest comments

  • 0
    5

    Why not nuclear power, which is not only more efficient but also very much bio-friendly?.
    Read http://www.sciencedaily.com/releases/2014/12/141215094155.htm

    • 1
      0

      Nuclear disaster was averted on 8th Jan 2015. Capital expenditure on a Nuclear plant will not out weigh the benefits for a country still under developed.

  • 1
    0

    In keeping with todays trends, I have diretly suggested to the CM- NPC
    that he initiates contact with Tamil Nadu to commence a Desalination of
    sea water Project for use in Jaffna as done with great success in
    out-skirts of Chennai. This is a vital need now.

  • 0
    0

    A well researched article.
    What is feasible within our financial capacity should be decided by scientists qualified in the field – India will probably help in this.
    A sure way to kill any projects will be to appoint political baboons to run them.

  • 0
    0

    This has all been suggested before, it is up to someone to implement it !

    Why don’t you get involved and do this lasting service to the Country ?

    When the sun stops the monsoon winds blow so we will have a perennial source of power if these two elements are harnessed.

  • 0
    0

    I love your well researched articles.

    Fund allocation for research on alternative sources is directly linked to the international oil prices and at this point in time you and I are not so lucky. In Australia the present govt is talking about reducing the earlier committed percentage for solar/wind much to the dismay of the industry.

    Unfortunately per Watt cost is still in favour of the fossil fuels.

    Individuals are not inclined to sacrifice for the environment or the energy security.

    Homes and small industries will adopt solar only when you can convince the banking sector to initiate a loan scheme for installation cost where the monthly repayment installment is less the the present monthly electricity bill.

    (Talking about bio mass, there is no such thing – a huge well can produce enough gas to light a kitchen lamp)

    Piyal

  • 0
    0

    Humble Request from an Unpatriotic THUG,

    To Mr Charitha Ratwatte and to dear All;

    Dear Sirs and Madams,
    We have already spend Billions of Rupees and Dollars for so many WHITE ELEPHANT Projects. and There are no any returns from those facilities and project,
    But only the burdens given to us, the poor peasants of this Chinthana Land.
    and got Aasharaya from China with LOVE To Rajapassa clan.
    Already,
    We have got Second hand Coal power Plant from China,
    With love of Jarapassa Clan. It has given a few returns of Electrical power and no Profits what so ever,
    imposing Much tax on Electrical consumers, giving more luxurious lives to middle negotiating Jarapassa clan.

    They, The Jarapassa Clan have nominated Their own Suppliers for Coal shipping to plant getting huge commission from the Contracts.

    I humbly Request YOU ALL, Who are Reading This comment,
    PLESE Send your Objections for the Building of the Next COAL POWER PLAT IN SAMPOOR In TRINCOMALEE HARBOUR to
    1] The HON President of Sri Lanka,
    2] The Hon Minister of POWER AND ENERGY.
    3] The Minister of Health
    3] The Minister of Environment,
    4] The Minister Of health

    That is not necessary for sri lanka as It will Destroy millions of our Eastern and Central regions Farmer’s Lively hood and Our Future generation’s Health.
    Because of This Proposed Coal power Plant,ECO SYSTEM of The Whole East and Central will be definitely Change, then We will face more problems.
    It will Seriously effect Our life circle and Food circle.
    It will Poison our Farm lands, and Grass lands, Forests Cover.
    We may have to import Rice, Milk, Other agricultural Products and
    More medicines to treat our People for the sicknesses like Cancer, Heart and respiratory defects
    Then we have to Import Rice and Other foods with poisonous chemicals and We have to pay for Other’s Sins.

    Please do some thing NOW, than feeling Sorry for Later.

    again I humbly request from all of you Educated, Intellectuals to send urgent letters to our Government to cancel those Agreement and Start SOLAR AND WIND ENERGY Power Plants.
    They May Say that,
    ” We have spend Billions For feasibility Studies and Agreed with Contractors” some Bla Bla.
    But Those Billions We can Save from Future Spending On Medicines and Food purchasing’s.
    Thanking You all,
    An Unpatriotic THUG,
    JULAMPITIYE AMARAYA.

    • 0
      0

      I am sorry JA. You are crying in the wilderness. The politicians and their patrons will not hear you. Because if they do, how are they going to get rich without importing oil?

  • 0
    0

    Chari

    Solar and Wind Power does not go forward in the way it should; either in Sri Lanka or the rest of the world.

    The answer is simple: the patrons of the politicians do not make the type of money they make out of oil. I am sure you knew that.

    How much is a 5% discount on a shipload of crude oil say 100,000 tons?

  • 0
    0

    If the CEB could pay for the extra electricity produced under net metering projects more customers will go for net metering and produce clean solar power for the grid.

  • 0
    0

    Thanks for a comprehensive article. You are talking as one who knows and has been in the field.
    Just one small concern though – would have been good to state own work in the solar sector or refer to the stake you had (not sure if you still do)in SLBDC. In this day and age of ‘good governance’ best always to be upfront about one’s involvement in the sector/industry one promotes.
    Another point on the last para, to continue the point you made about the plantations hydro generation in years of old, the country did take that a little further, so that today we do have a few hundred villages with off grid hydro systems, and even some household level units.
    But yes overall, the country does need to get serious about the ‘greener’ energy options and invest in them.

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