Energy Matters:
Approximately $US4 trillion, made up of $3 trillion in direct outlays for generating plants plus an estimated $1 trillion for renewables-related network upgrades, has been invested in electricity-sector renewable projects since 2000. As a result of these expenditures the percentage of renewable energy in the global electricity mix has risen from 19% in 2000 to 24% in 2016 and global CO2 emissions have been cut by a small but unquantifiable amount over what they would otherwise have been – not much bang for the buck. There are also questions as to whether future global investments in renewable energy, which turned flat after subsidy rollbacks began in 2011, will be sufficient to keep the renewables bandwagon rolling.
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