Chile – cleaning up after coal
On various criteria Chile is at the forefront of the LAC energy transition. It is one of the highest placed countries in the World Economic Forum (WEF) energy transition index (ETI). In addition, in 2020 it attracted more foreign investment into its renewables sector than either Brazil or Mexico, both of which had led the ranking for the preceding five years. The IEA has described Chile as a “world class” destination for solar and wind developers. Under the country’s National Energy Policy 2050, originally launched in 2015, it aims to generate 70% of its electricity from renewable resources by 2030. This is to be achieved by maintaining the contribution of hydroelectricity at the current 45% while boosting non-hydro renewables (mainly wind and solar) to 25%.
Relative to the rest of LAC, Chile has some advantages, as well as some specific difficulties to overcome. Among the advantages are that the country has one of the world’s highest irradiation rates in the Atacama Desert in the north, and strong winds in the Magallanes region in the south, meaning the potential for solar and wind energy is massive (theoretical solar potential is 1,800GW, with wind at 37GW). However, the country’s geography - long and thin, running along the Andes mountains - means it must invest heavily in electricity transmission and energy storage. That is one of the factors creating strong interest in green hydrogen which can be used as an energy store.
Various aspects of the Energy Policy 2050 have been singled out for their positive effect. One is that Chile opted for technology-neutral power auctions, which allowed renewables to compete directly with conventional fossil fuels and, because of their reduced cost, has lowered average prices from over US$100/MWh in 2012 to around US$30MWh in 2017. Another important development is that Chile was able to interconnect its north and south electricity grids in 2017, allowing for more efficient trading of renewables across the country. In third place, the policy has emphasised an ambitious green hydrogen goal of 25GW by 2030. In pursuit of that development agency CORFO is making US$50m worth of investment support available for renewable hydrogen projects.
One challenging area will be how successive governments meet the target of phasing out around 38 coal-burning power plants by 2040. Replacing these polluting plants will be a key step to meet the overall zero-carbon target by 2050. The plants dominate five areas of the country known as ‘sacrifice zones’ because of high pollution levels and negative impacts on public health. The eight oldest coal-burning plants are due to be closed by 2024, but no specific closure dates have been set for the remainder in 2025-2040. Some believe the government is being too cautious, since a total of six privately owned coal generators have announced earlier than expected voluntary closures. Congress is also considering a bill that would shut down all coal-fired plants much earlier, in 2025. With up to 20,000 potential job losses involved, the government needs to consider retraining, alternative employment, and consultation with local communities. The need to replace old fossil fuel jobs with new ‘cleaner and greener’ sources of employment could become an important theme across the entire region.