Global solar and wind systems have grown at an average annual rate of 20% over the past decade  

Solar and wind systems around the world have grown at a compound average rate of 20 percent over the past decade, and if sustained through 2030, they are on track to meet the Paris Agreement's climate goals, according to a report released by Independent CLIMATE researcher Ember on Wednesday.  
 
Under the Paris agreement, countries are set to try to limit global warming to 1.5 degrees Celsius above pre-industrial levels.  
 
Global solar system capacity increased by 23% in 2021, while wind system capacity increased by 14% in the same period.  The two renewables generated 1 percent more electricity than in 2020, and together accounted for 10.3 percent of global power generation last year, the data showed.  

The Netherlands, Australia and Vietnam have seen the fastest growth in renewable energy, shifting about 10 percent of their electricity needs from fossil fuels to solar and wind systems over the past two years, the report noted.  
 
If these trends are replicated and sustained globally, the power sector will be on its way to the 1.5C target.  The main problem with the current slowdown is licensing and other restrictions, and if governments are to achieve accelerated growth in renewables, they need to address the problems of deployment that are slowing growth.  

 
However, the report also noted that while solar and wind systems grew, coal-fired power generation also recorded its fastest growth rate since at least 1985 over the same period, rising 9 percent to 10,042 terawatt-hours (TWh) in 2021, accounting for 59 percent of total demand growth.  
 
The Delhi go nment has announced plans to install 2.5GW of photovoltaic systems and add them to its energy mix in the next five years.  This will create 40,000 jobs needed for installation, maintenance and marketing.  The move comes at a good time as the central government also plans to add 4GW of rooftop PV systems in its latest housing sector forecast and plans.  
 
Delhi's record on rooftop pv additions, or overall pv additions, is abysmal, reaching only 10% of its 27GW target by this year.  So in effect, the Delhi go nment finally seems to have achieved its target of five years later than originally planned in this year's budget.  Given the high cost of land and low availability, rooftop PV solar systems are bound to dominate their pv market.