1. Target is to penetrate green energy to the grid in less time
2. Integration of large scale renewable energy is costly. Also, individual level installation is tough. Smaller scales will advantageous for easy installation
Net outlay is probably lowest with efficient solar photovoltaic or even a small turbine in a continuous flowing stream. Integration into the grid is simpler than with larger megawatt systems. Photovoltaic can be used on site or distributed, so that makes it very adaptable. Systems that generate biogas to drive turbines or large wind generators have a much higher front-end cost. The grid operator may require a minimum generation capacity to connect, so make sure these qualifications are clear before moving ahead.
Net outlay is probably lowest with efficient solar photovoltaic or even a small turbine in a continuous flowing stream. Integration into the grid is simpler than with larger megawatt systems. Photovoltaic can be used on site or distributed, so that makes it very adaptable. Systems that generate biogas to drive turbines or large wind generators have a much higher front-end cost. The grid operator may require a minimum generation capacity to connect, so make sure these qualifications are clear before moving ahead.
Check for systems where it is possible to apply grid-tie microinverters, for example, PV systems. Systems for this application are simple to install and have low investment, installation and maintenance cost. Furthermore, the installed power can increased gradually.
The only technical requirement to placing power on the grid is an energy source and a power converter. The converter matches the frequency and phase of the source to the grid. there are other requirements for safety. So a minimal system could be constructed using an off the shelf SMPS controller and a handful of passives if you only need to tie in a sub 50W source. The design becomes much more involved beyond that power level.
Greening existing fuel-based traditional power plants may enhance the power output of such plants. Greening in the sense of adding renewables to the existing power plants; in doing such addition, when possible, one can avoid the heavy cost of land needed to install PVs, in addition the added renewables do not need batteries for energy storage; the power output of renewables can be directly added to the grid along with the power generated from the fuel-based generators. Two heavy costs can be avoided here: land and energy storage.
Adding renewables in the form of PV panels or various heat recovery technologies to an existing power plant can be practical, especially with regard to land costs. Wind generation by its very nature will almost never find a suitable site within an existing fossil fuel plant. In either scenario, colocation does nothing to mitigate storage requirements. it only provides potential to share grid transmission resources which often may not be adequate for the increased production. The other problem that remains to be solved with such a system, particularly with no storage, is load management. fossil fuel powered turbines represent baseline generation with coal plants requiring hours to respond to step changes in demand. PV times are 1-2 orders lower. shared transmission lines from plant to grid require more complex switching gear at each source before combining energy on the shared lines. In short, there can be advantage to colocation, but it is not with out costs that can often negate the economic benefits.
In individual countries, depending on the structure of the classical energy based on the combustion of minerals, depending on the strength of the mining industry of minerals and power plants burning minerals, the possibilities of developing pro-ecological energy based on renewable energy sources are diversified.
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