Environmental Effects

Compared to the environmental effects of traditional energy sources, the environmental effects of wind power are relatively minor. Wind power consumes no fuel, and emits no air pollution, unlike fossil fuel power sources.
Danger to birds and bats has been a concern in some locations. Aesthetics have also been an issue.

If you do live along the coast, your personal property is rather expensive and you might not be able to afford the opportunity to afford the land, let alone a wind generator. Beauty is in the eye of the beholder. Some would feel that having 100 wind turbines sitting outside your picture window is an eyesore.Wind turbines give off interference to television and radio signals. Wind energy is that wind turbines are noisy. They have the hum and also a "whooshing noise" when the blade turns.

Development of Wind Energy

In Nepal, different energy generating plants are capable for their establishment. Nepal is rich in its water resources but is not capable to utilize that resources for the generation of energy. So not only hydropower plant but also some other renewable energy generating plants should be established here. Wind is popular renewable energy capable to establish in Nepal. There are many places where wind energy can be established. Jomsom and Mustang are very much popular places in Nepal for the development of wind energy. In such places the velocity of wind is much  greater than other places of  Nepal.

The wind generating plant has been established in Jomsom. But it is not enough for the Nepal, more stations and sites should be there for such plants. In Nepal there is a big oppurtunities for the development of Nepal. The political scineraeo of Nepal is not still good enough so that it can keep eyes on development of such renewable energy sources. For the development of wind energy in Nepal, the political parties and local peoples should be aware so that in future they may not face any energy problems.

Economics and Feasibility

Wind power has negligible fuel costs, but a high capital cost. The estimated average cost per unit incorporates the cost of construction of the turbine and transmission facilities, borrowed funds, return to investors (including cost of risk), estimated annual production, and other components, averaged over the projected useful life of the equipment, which may be in excess of twenty years. Energy cost estimates are highly dependent on these assumptions so published cost figures can differ substantially.Wind power available in the atmosphere  is much greater than current world energy consumption. The potential takes into account only locations with mean annual wind speeds ≥ 6.9 m/s at 80 m. The study assumes six 1.5 megawatt, 77 m diameter turbines per square kilometer on roughly 13% of the total global land area (though that land would also be available for other compatible uses such as farming). The authors acknowledge that many practical barriers would need to be overcome to reach this theoretical capacity.

Electricty Generation

In wind farm, individual turbines are interconnected with a medium volatage (often 34.5KV), power collection system and communication network. At a substation, this medium-voltage electric current is increased in voltage with transformer for connection to the high voltage electric power transmission system. The surplus power produced by domestic microgenerators can, in some juroisdicitions, be fed into the network and sold to the utility company, producing a retail credit for the microgenerators' owners to offset energy costs.

Induction generators, often used for wind power, require reactive power for excitation so substations used in wind-power collection systems include substantial capacitor banks for p.f. correction. Since wind speed is not constant, a wind farm's annual energy production is never as much as the sum of the generator nameplate rating multiplied by the total hours in a year. The ratio of actual productivity in a year to this theoritical
maximum is called capacity factor.For example, a 1 MW turbine with a capacity factor of 35% will not produce 8,760 MW·h in a year (1 × 24 × 365), but only 1 × 0.35 × 24 × 365 = 3,066 MW·h, averaging to 0.35 MW.

Using Wind Energy

A crippling power shortage that is here to stay, ease of installation and affordability are making experts take a fresh look at windpower in Nepal.With power cuts, windpower has gradually regained credibility as a viable, quick, and possibly cheap solution.Windpower is quick to install and offsets carbon emissions by reducing deforestation and consumption of imported petroleum-based products.Wind power is non-dispatchable meaning that for economic operation, all of the available output must be taken when it is available.

Nepal presently has some small-scale, stand-alone wind turbines. AEPC has built six wind-solar hybrids - 400W wind and 150W solar - each capable of supplying a community of about 10 residences with enough energy to run one radio and a CFL bulb. The wind turbines have been acting up and the community is relying solely on solar for the moment.

Energy in Villages of Nepal

More than 60 percent of Nepal's population has no access to electricity. Only 33 percent, mostly in urban areas, is supplied power from the grid, and 7 percent derive electricity from alternative energy sources. For the reset it is perceptual darkness once the sun goes down. Giving the power shortages in the capital, remote rural areas have a long wait ahead. Where micro-hydro power plants are not feasible either, the grid could take decades to arrive.

But Thanatole, in Nawalparasi is providing that hydro isn't the only renewable energy source on the block. Wind and solar are also renewable energy source that they has utilizing by generating 600W  of electricity for the 45-household community, which uses the power for lighting and to charge mobile phones.

Riding Wind

Wind power has received some interest from the private sector, and the government seems interested, but data and policies are needed to draw in investor. Even advocates of renewable energy gave up on the prospect of wind power in Nepal when the two 10KW wind generators in Kagbeni and Mustang were blown away in 1989. The damage extended beyond that to the generators. In the years to come, no serious efforts were made either to repair the plant or to set up other projects on such a scale. Complications with other wind projects reinforced the idea that wind power was not viable in Nepal.