In its recent report on solar integration within the Hawaiian grid, the National Renewable Energy Laboratory finds that distributed and utility scale solar can be reliably accommodated by electrical grids on Maui and Oahu at penetration rates of 20%.
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At high penetration of solar generation there are a number of challenges to economically integrating this variable and uncertain resource.
Concentrating solar power (CSP) deployed with thermal energy storage (TES) provides a dispatchable source of renewable energy.
Establishing interconnection to the grid is a recognized barrier to the deployment of distributed energy generation. This report compares interconnection processes for photovoltaic projects in California and Germany.
To stimulate investment in renewable energy generation projects, the federal government developed a series of support structures that reduce taxes for eligible investors--the investment tax credit, the production tax credit, and accelerated depre
Utility-scale solar projects have grown rapidly in number and size over the last few years, driven in part by strong renewable portfolio standards (RPS) and federal incentives designed to stimulate investment in renewable energy technologies.
More than half of the electricity produced in the southeastern states is fuelled by coal. Although the region produces some coal, most of the states depend heavily on coal imports.
This case study covers the process of successfully integrating photovoltaic (PV) systems into a low-income housing development in northeast Denver, Colorado, focusing specifically on a new financing model and job training.
Over the last several years, solar energy technologies have been, or are in the process of being, deployed at unprecedented levels.
Technical concerns with integrating higher penetrations of photovoltaic (PV) systems include grid stability, voltage regulation, power quality (voltage rise, sags, flicker, and frequency fluctuations), and protection and coordination.