low frequency hybrid solar inverter 110v

Why hasn't solar power caught on yet?

The answer to that is a mixture of economic, political, and technological factors. From the economic viewpoint, in most countries, electricity generated by solar panels is still more expensive than electricity made by burning dirty, polluting fossil fuels. The world has a huge investment in fossil fuel infrastructure and, though powerful oil companies have dabbled in solar power offshoots, they seem much more interested in prolonging the lifespan of existing oil and gas reserves with technologies such as fracking (hydraulic fracturing). Politically, oil, gas, and coal companies are enormously powerful and influential and resist the kind of environmental regulations that favor renewable technologies like solar and wind power. Technologically, as we've already seen, solar cells are a permanent "work in progress" and much of the world's solar investment is still based on first-generation technology. Who knows, perhaps it will take several more decades before recent scientific advances make the business case for solar really compelling?

One problem with arguments of this kind is that they weigh up only basic economic and technological factors and fail to consider the hidden environmental costs of things like oil spills, air pollution, land destruction from coal mining, or climate change—and especially the future costs, which are difficult or impossible to predict. It's perfectly possible that growing awareness of those problems will hasten the switch away from fossil fuels, even if there are no further technological advances; in other words, the time may come when we can no longer afford to postpone universal adoption of renewable energy. Ultimately, all these factors are interrelated. With compelling political leadership, the world could commit itself to a solar revolution tomorrow: politics could force technological improvements that change the economics of solar power.

And economics alone could be enough. The pace of technology, innovations in manufacturing, and economies of scale continue to drive down the cost of solar cells and panels. Between 2008 and 2009 alone, according to the BBC's environment analyst Roger Harrabin, prices fell by about 30 percent, and China's increasing dominance of solar manufacturing has continued to drive them down ever since. Between 2010 and 2016, the cost of large-scale photovoltaics fell by about 10–15 percent per year, according to the US Energy Information Administration; overall, the price of switching to solar has plummeted by around 90 percent in the last decade, further cementing China's grip on the market. Six of the world's top ten solar manufacturers are now Chinese; in 2016, around two thirds of new US solar capacity came from China, Malaysia, and South Korea.

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