![]() The lack of practical power storage solutions remains one of the most serious technological bottlenecks for solar power growth here and elsewhere. Suppose you find an ideal site somewhere in the U.S., in a predominantly sunny climate, where you’d like to add solar to a building or build a new solar farm. This can reduce some of the other complications but might come with its own challenges, such as environmental remediation for the site before ground can be broken on a new installation. Often, builders look for abandoned industrial or power generation sites. Like older technologies, accomplishing this feat involves lots of moving parts - including site selection, community relations and financing. Even if the “farms" powering a country’s renewable grid are more resilient, they still require transmission lines to be designed and installed. ![]() This makes renewable power infrastructure far easier to scale as well as more modular and reliable than older sources of power.Įven so, geography remains a stubborn barrier when it comes to choosing new sites for renewable power installations. It’s worth noting that renewables like solar and wind are “decentralized” power sources, unlike nuclear and coal plants. The countries that have had the most success pivoting to renewable energies have been of generally smaller stature. ![]() The United States is not the most densely populated country in the world, but it is one of the most geographically diverse. China has dramatically ramped up public spending on renewable energy and created rafts of new jobs and brand-new types of opportunity in the process. In the U.S., the political barrier to 100 percent renewable energy takes the form of a hugely influential oil industry lobby and wasted, misguided efforts to prop up the failing coal industry instead of increasing government investment and incentives in clean energy. Unfortunately, even more recently, the political barrier reared its head yet again for Germany when Conservatives and Social Democrats agreed their target of a 55 percent cut in emissions by 2020 is “unrealistic.” In Germany, for instance, lawmakers recognized the twofold advantages of encouraging solar installations through financial incentives: promoting the growth of new types of businesses and helping Germany meet its Paris Agreement benchmarks. In that respect, Australia finds itself alongside the United States as a country with citizens who broadly favor renewable energies, but a government that does not. Consequently, electricity in the country is less sustainable, and also more expensive, than ever. Since the repeal of the carbon tax in 2014, Australia has seen its emissions continue to rise alarmingly. Other countries that have met or nearly met their 100 percent renewable energy goals include Norway, Costa Rica, Ethiopia, Paraguay and Albania. Iceland compensated for its relative lack of wind and sunlight by investing in hydroelectric and geothermal energy - both of which now power households and businesses across the country affordably and sustainably. The relatively lower risk attached to "entrenched" technologies like natural gas - versus “riskier” ventures like solar and geothermal - tend to make more attractive investment targets for lending institutions. The technology responsible for generating clean power becomes more cost-effective every day, but the financial reality is still daunting. Wind farms carry a price of between $1200 and $1700 per kilowatt. Renewables are designed for simplicity, meaning solar panels and wind turbines are relatively easy and inexpensive to maintain, but the initial price of the equipment to power companies and homeowners is not insurmountable.įor residential purposes, the installation cost per kilowatt could be anywhere from $2000 to $3700. The most stubborn barrier is the cost of installation. Realistically, what are the barriers preventing other countries from joining Iceland in this endeavor? Most fall under the following five categories. In the U.S., we’ll be lucky if we hit 30 percent by the year 2025. Iceland probably doesn’t sound like an obvious hotbed for sustainable energy growth, since it has so little sunshine and wind, but the country is currently meeting all of its electricity needs with clean power. ![]() The momentum behind renewable energy is strong, but even some of the most prosperous countries are dropping the ball when making the switch to 100 percent renewable energy.
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