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Monday May 26, 2014 MYT 12:00:00 AM
Monday May 26, 2014 MYT 7:36:15 AM
by angela dewan
Catch the wind: Villagers erect a windmill on a field of small wind turbines in Kamanggih, Sumba island, East Nusa Tenggara. — AFP
Indonesian island hopes to spark green power revolution.
AN Indonesian family of farmers eat cobs of corn outside their hut under the glow of a light bulb, as the women weave and young men play with mobile phones.
Until two years ago, most people in Kamanggih village on the island of Sumba had no power at all. Now 300 homes have access to 24-hour electricity produced by a small hydroelectric generator in the river nearby.
“We have been using the river for water our whole lives, but we never knew it could give us electricity,” Adriana Lawa Djati said, as 1980s American pop songs drifted from a cassette player inside.
While Indonesia struggles to fuel its fast-growing economy, Sumba is harnessing power from the sun, wind, rivers and even pig dung in a bid to go 100% renewable by 2025.
The ambitious project, called the “Iconic Island“, was started by Dutch development organisation Hivos and is now part of the national government’s strategy to almost double renewables in its energy mix over the next 10 years.
Sumba, in central Indonesia, is an impoverished island of mostly subsistence farmers and fishermen. Access to power has made a huge difference to people like Djati.
“Since we started using electricity, so much has changed. The kids can study at night, I can weave baskets and mats for longer, and sell more at the market” she said.
While only around 30% of Sumba’s 650,000 people have been hooked up to the power grid, more than 50% of electricity used now on the island comes from renewable sources, government data show.
Hivos field co-ordinator Adrianus Lagur hoped the project would be replicated by other islands in the same province of East Nusa Tenggara, one of the country’s poorest.
Indonesia is one of the region’s most poorly electrified nation, partly because it sprawls over 17,000 islands of which more than 6,000 are inhabited.
Despite enjoying economic growth of around 6% annually in recent years, Indonesia is so short of energy that it rolls out scheduled power cuts that cripple entire cities and sometimes parts of the capital.
To keep up with growth, Indonesia is planning to boost its electricity capacity by 60 gigawatts over a 10-year period to 2022. Twenty percent of that is to come from renewable sources.
“Indonesia has been a net importer of oil for years, and our oil reserves are limited, so renewables are an important part of our energy security,” said Mochamad Sofyan, renewable energy chief of state electricity company PLN.
Hefty electricity and fuel subsidies have been a serious burden on the state budget.
But small-scale infrastructure, like mini hydroelectric generators and small wind turbines that power Sumba are not enough to close the national energy gap, even if they were built on all Indonesia’s islands.
Massive hydropower and geothermal projects, which use renewable energy extracted from underground pockets of heat, are needed to really tackle the nationwide problem, said Sofyan.
Indonesia, one of the world’s most seismically active countries, also has the biggest reserves of geothermal, often near its many volcanoes and tectonic plate boundaries. It is considered one of the cleanest forms of energy available.
But geothermal is largely untapped as legislation to open up exploration moves slowly and the industry is bound in red tape.
Sofyan said there is also concern that Sumba’s target to be powered 100% by renewable energy is unrealistic.
“In the long term, we see Sumba still relying somewhat on diesel generators. It will be powered predominantly by renewables, but I don’t think it will be able to switch off the grid,” Sofyan said.
Hivos admits its goal is ambitious, saying it is “inspirational and political” rather than technical but the NGO believes the target may be achievable even in the long term.
Nonetheless the Sumbanese are reaping the benefits of the green energy sources already available, which have lifted a considerable financial burden for many due to reduced costs for wood and oil.
Elisabeth Hadi Rendi, 60, in the town of Waingapu, has been farming pigs since 1975, but it was only two years ago when Hivos visited her home that she came to understand the power of porcine poo. Pigs are commonly kept in Sumba, a predominantly Christian island in Muslim-majority Indonesia.
Each day Rendi shovels dung from the pig pens and churns it in a well, after which it is funnelled to a tank and converted into methane gas. It has saved her household around six million rupiah (RM1,680) in two years, a significant sum for a typical Sumbanese family.
“We also make fertiliser from the waste to use in our garden, where we grow vegetables,” said Rendi. “We eat the vegetables and feed some to the pigs too, which will become biogas again, so the energy literally goes round and round.” — AFP
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Environment, Environment, ecowatch, solar energy, renewable energy, solar power
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