The U.S. Environmental Protection Agency’s (EPA’s) aims to set up new regulations for carbon outflows. But this is simply the latest challenge the U.S. electric power network is facing. Tech advancement is affecting old methods of doing business and quickening the system modernization. At the beginning of this year, AEE discharged Advanced Energy Technologies for Greenhouse Gas Reduction, a report presenting the use, application, and advantages of 40 particular green energy advancements and services.
There are a few innovation alternatives for utility-scale sunlight based frameworks, albeit photovoltaic (PV) boards are the most regularly employed. Most utility-scale solar ventures are made of substantial arrays of ground-mounted level plate PV modules, which change daylight straightly into electric power by means of sun powered cells. The arrays can stable- tilt, single-hub tracking, or double- axis tracking.
This tracking option increases the cost but also the general energy yield. Concentrating photovoltaic (CPV) innovation utilizes lenses to focus daylight onto little PV cells to accomplish higher general conversion results as compared to flat-plate equipment.
A small part of utility-scale solar undertakings employ concentrated sun powered (CSP) frameworks, which focus sunlight through mirrors or lenses to produce high temperatures that are utilized to create high-pressure steam that drives a power –generating steam turbine-generator. Utility-scale PV and CPV plants normally run from 1 MW to more than 100 MW, while CSP is by and large in the 100s of MW. Crest solar output (midday to early evening) normally concurs with times of top electric needs, reducing the requirement for top modern resources.
PV has prompted substantial developments in U.S. utility-scale sun based installations throughout this last decade, leading to solar power becoming the second biggest source of new electric power in 2013.
Almost 2,900 MW of new utility-scale solar system was set up in 2013, a 58% expansion from 2012, bringing the total utility-scale limit in the United States to more than 5 GW. These huge projects deliver significant amounts of power. Once it is finished, the First Solar’s 250 MW Agua Caliente Solar Project in Yuma County, Arizona, will be fit for sourcing the equivalent 100,000 homes.2 Flat-plate PV is employed regularly in light of the fact that the equipment can work with both direct and diffuse daylight. Both CSP and CPV are more appropriate for sunny regions with low mugginess, such as the American Southwest.
Before the end of 2013, the normal expense of utility-scale solar installations in the U.S. was $1.96 every watt, down 13.7% from 2012. With no fuel expense and no discharges, sun powered system reduces both greenhouse emanations and fuel costs. Setting up 4 GW of CSP in the resourced American Southwest could counterbalance 7.6 million tons of carbon discharges.
Image Source: SEIA