The decade-long trend of strong growth in renewable energy capacity continued in 2018 with global additions of 171 gigawatts (GW), according to new data released by the International Renewable Energy Agency (IRENA). The annual increase of 7.9% was bolstered by new additions from solar and wind energy, which accounted for 84% of the growth. A third of global power capacity is now based on renewable energy.
IRENA’s annual ‘Renewable Capacity Statistics 2019’, is a comprehensive, up-to-date and accessible figures on renewable energy capacity indicates growth in all regions of the world, although at varying speeds. While Asia accounted for 61% of total new renewable energy installations and grew installed renewables capacity by 11.4 per cent, growth was fastest in Oceania that witnessed a 17.7% rise in 2018.
Africa’s 8.4% growth put it in third place just behind Asia. Nearly two-thirds of all new power generation capacity added in 2018 was from renewables, led by emerging and developing economies.
IRENA Director-General Adnan Z. Amin, said: “Through its compelling business case, renewable energy has established itself as the technology of choice for new power generation capacity. The strong growth in 2018 continues the remarkable trend of the last five years, which reflects an ongoing shift towards renewable power as the driver of global energy transformation.
“Renewable energy deployment needs to grow even faster, however, to ensure that we can achieve the global climate objectives and Sustainable Development Goals. Countries taking full advantage of their renewables potential will benefit from a host of socioeconomic benefits in addition to decarbonising their economies.”
IRENA’s analysis also compared the growth in generation capacity of renewables versus non-renewable energy, mainly fossil-fuels and nuclear. While non-renewable generation capacity has decreased in Europe, North America and Oceania by about 85GW since 2010, it has increased in both Asia and the Middle East over the same period. Since 2000, non-renewable generation capacity has expanded by about 115GW per year (on average), with no discernible trend upwards or downwards.
Highlights by technology:
Globally, total renewable energy generation capacity reached 2,351 GW at the end of last year, around a third of total installed electricity capacity. Hydropower accounts for the largest share with an installed capacity of one 172GW, around half of the total. Wind and solar energy account for most of the remainder with capacities of 564GW and 480GW respectively.
Other renewables included 121GW of bioenergy, 13GW of geothermal energy and 500MW of marine energy (tide, wave and ocean energy).