Cyprus-Forum.com

[apc2010]

I was involved in a couple of renewable energy projects in the Dominican Republic. The selection of the location is based on wind resources for best results. The estimated KW production is very accurate. Payback is usually 20 years.

Isn't that roughly the time when you need to replace all the wind mills?

how do they make these with electric from fossil fuels??
do they transport them by boats and lorries?

[Get Real!]

I was involved in a couple of renewable energy projects in the Dominican Republic. The selection of the location is based on wind resources for best results. The estimated KW production is very accurate. Payback is usually 20 years.

Isn't that roughly the time when you need to replace all the wind mills?

how do they make these with electric from fossil fuels??
do they transport them by boats and lorries?

The wind turns a shaft which rotates a rotor which generates electricity and probably gets stored in batteries.

It’s just a load of crap to stop Cyprus from getting fined year after year for not having them. Hopefully, the fine is greater than the installation and running costs.

[georgios100]

I was involved in a couple of renewable energy projects in the Dominican Republic. The selection of the location is based on wind resources for best results. The estimated KW production is very accurate. Payback is usually 20 years.

Isn't that roughly the time when you need to replace all the wind mills?

Usually the windmills are replaced every 20-25 years depending on the condition of the equipment. The old ones are sold to 3rd world countries, refurbished, to off set the initial investment.

The gain is the clean electricity produced in the years of operation with perhaps some profit, if the wind site is over 7ms (above average wind resources). In this case, the payback is 16-18 years. As the oil prices rise, wind power becomes less expensive to operate and much more profitable.

Bear in mind, the lifetime of other power generating plants is less than wind turbines plus the maintenance cost is higher ie coal fired or diesel prime movers. Hydro power plants are the most efficient and, of course, renewable but not used in Cyprus for obvious reasons.

FYI, nuclear power is considered renewable.



Georgios100

[apc2010]

serious question one windmill does how many house per year?

[georgios100]

I was involved in a couple of renewable energy projects in the Dominican Republic. The selection of the location is based on wind resources for best results. The estimated KW production is very accurate. Payback is usually 20 years.

Isn't that roughly the time when you need to replace all the wind mills?

how do they make these with electric from fossil fuels??
do they transport them by boats and lorries?

The wind turns a shaft which rotates a rotor which generates electricity and probably gets stored in batteries.

It’s just a load of crap to stop Cyprus from getting fined year after year for not having them. Hopefully, the fine is greater than the installation and running costs.

These are grid-connect turbines, no batteries used. As the power is generated, is fed to the national grid via step-up transformers.

Wind mills using batteries to store the electricity are residential type, usually 1-5 kw with no grid connection (stand alone systems). Homes far away from the grid can have these small wind turbines as an addition to the generator installed. The power is stored in a battery bank. An inverter is used to convert battery power 24VDC to household 220VAC.

Georgios100

[georgios100]

I was involved in a couple of renewable energy projects in the Dominican Republic. The selection of the location is based on wind resources for best results. The estimated KW production is very accurate. Payback is usually 20 years.

Isn't that roughly the time when you need to replace all the wind mills?

how do they make these with electric from fossil fuels??
do they transport them by boats and lorries?

Wind turbines, same as other generating plants, are made using fossil fuels. Anything we make has a "footprint". Beyond the initial fabrication, wind turbines "footprint" is far less than conventional power plants.

Georgios100

[apc2010]

I thought sea turbines were the future ,cheaper to install and easier on the landscape?

[georgios100]

serious question one windmill does how many house per year?

It depends on the "size" of the turbine. Not sure what size of turbines are installed now.

As an example, a 1.5 MW turbine can provide power for approx 400 homes.

Georgios100

[georgios100]

I thought sea turbines were the future ,cheaper to install and easier on the landscape?

Both turbine & tower are the same for sea or land. The cost to install at sea is higher than land locations (foundation & support of the tower). Salt corrosion, a real problem for sea bound turbines. The big plus is, sea turbines can produce up to 40% more power due to open and unobstructed wind exposure.

Georgios100

[apc2010]

serious question one windmill does how many house per year?

It depends on the "size" of the turbine. Not sure what size of turbines are installed now.

As an example, a 1.5 MW turbine can provide power for approx 400 homes.

Georgios100

maybe(waiting for joke) I am stupid ,but surely there are better ways of saving the planet, cyprus has something like 2 cars per family, (this is not a big place), how about limiting all cars to 1000cc. This would hopefully reduce the amount of fatal accidents??