In 2004, it took the world about a year to add one gigawatt of solar power capacity. By 2023, the same amount was added, on average, every single day
https://ourworldindata.org/data-insights#most-recent-data-insight @ourworldindata.org
https://ourworldindata.org/data-insights#most-recent-data-insight @ourworldindata.org
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The cost is far less than 1% of the total price. And the benefits are recovered in a few years.