
There is a significant upfront cost involved in developing and deploying new technologies. For many countries, this is prohibitive. Financial support is needed in order to get the ball rolling. But the potential for huge savings in both pollution and energy security is enormous. The global economy could be net-zero by 2030 and save over $4 trillion annually. Furthermore, efficient renewable technologies can create a resilient and secure energy system. This article examines both the strengths as well as the weaknesses of renewable energy technologies, and how they can be evaluated.
Overview of Renewable Energy Technologies
In the last few years, renewable energy technologies has made significant strides. The United States currently generates 19% of its electricity from renewable sources. This number will rise to 35 percent by 2030. This growth is largely due in part to solar and wind energy. Non-hydrorenewables are also rising, increasing from one percent in 2005 up to more 12 percent by 2025. These technologies can power entire islands, remote villages and industrial installations as well as homes.
Hydropower, wind and solar are all renewable energy sources. These sources vary in cost and technical sophistication. The basic technology behind these sources is similar to that of fossil fuels, but their costs and construction time are much shorter. They are also becoming more accessible, with a greater emphasis on R&D.

Criteria for evaluating cost-effectiveness
Current cost-effectiveness evaluations of renewable power technologies are a new assessment tool that compares the benefits and costs for policies to promote renewable energy in different climates. It is applicable to both policymakers AND private investors. It can also reveal the potential benefits of green energy utilization.
Individual deployment of wind turbines and photovoltaic systems may be more cost-effective and efficient than continuous energy production. In many cases, it is impossible to rely on one system alone. This makes hybrid systems a great option.
Incentive programs to encourage the use of renewable energy technologies
To accelerate the transition from fossil fuels to clean energy, policymakers have a powerful tool: incentives for renewable energy technology deployment. Since 2005, the federal government has used incentives to encourage low-carbon technologies. Clear market signals make them most effective, according to our experience. If innovators believe that their technology is cheaper and more widely accepted by the market they will be more inclined to invest in R&D and climb the adoption curve.
Incentives can be tailored to support a specific market segment or project development phase. For example, geothermal projects face unique risks during the resource exploration phase and require specific incentives. Furthermore, incentives may be offered at an earlier stage of the project development cycle to facilitate rapid deployments of renewable energy technologies.

Renewable energy technology strengths and weaknesses
There are many advantages to renewable energy technologies over traditional energy sources. They are able produce energy locally. This decreases the demand for imported energy and helps increase energy independence. Furthermore, renewable energy sources lower the risks associated fossil fuels like price fluctuations and geopolitical instability.
These benefits are not without their costs. Some renewable energy systems require significant upfront investment and infrastructure costs. A lot of land is required for construction. They are also not as economically-friendly as traditional technologies. Despite these limitations, renewable electricity's cost has been falling over recent years. This is due to the improvement in manufacturing processes as well as economies of scale. Renewable energy certificates have also gained popularity. Another downside is the fact that renewable energy technologies rely on natural resources, which can degrade their efficiency on cloudy days or during calm weather. Hydropower systems are less efficient because they require snowfall to function.