With the increasing concern over climate change and the need for sustainable energy solutions, many countries around the world are implementing renewable portfolio standards (RPS) as a way to promote the use of green energy sources. RPSs require utilities to generate a certain percentage of their electricity from renewable sources such as wind, solar, hydro, and geothermal.

The implementation of RPSs has been gaining momentum globally. As of 2021, over 90 jurisdictions have implemented some form of RPS policies, accounting for over 60% of global electricity generation. The policies vary from country to country, with some being more aggressive than others. For example, some policies require that a large percentage of electricity come from renewable sources by a certain year, while others may simply set targets that increase over time.

The EU has been a leader in implementing RPSs. In 2018, the EU set a target of generating 32% of its energy from renewable sources by 2030. Several individual EU countries have set even more ambitious targets, such as Denmark’s goal of 100% renewable energy by 2050. Germany, which has been an advocate for renewable energy for many years, is aiming to generate 65% of its electricity from green sources by 2030.

China, which is the world’s largest consumer of energy, has also taken significant steps towards implementing RPSs. The country set a goal of generating 35% of its energy from renewables by 2030, which will require a massive infrastructure overhaul.

Even countries with limited natural resources for wind or solar power have implemented RPSs. Singapore, which does not have significant wind or solar potential, aims to generate 2% of its electricity from solar energy by 2025. This policy has resulted in the installation of solar panels on rooftops, public housing, and other buildings throughout the city-state.

The implementation of RPSs is not without challenges. Some utilities have pushed back against the policies, claiming that they are too expensive and may lead to power outages. In some cases, countries have had to adjust their targets due to unforeseen circumstances, such as a slowing economy.

Despite the challenges, however, the use of RPSs is gaining momentum. The policies are helping to drive innovation, encouraging investment in renewable energy, and reducing carbon emissions. As more countries adopt RPSs, the transition to green energy becomes more feasible, and the fight against climate change gains momentum.

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