Sentences with phrase «large windmills»

Instead, the authorsí theory that the cost of energy from larger windmills will be less than the cost of energy from smaller windmills is based on faulty logicóthat relies on unsupported inference and two critical assumptions.

I have also challenged the authorsí theoretical conclusions regarding the alleged superiority of large windmills on the basis of a commercial wind energy developerís analysis of both 900 kW and 1500 kW windmills on constant height towers, and wind speeds at a specific siteóand the wind energy developerís statement that the 1500 kW machines were not economic.

All cities should be able to generate their own energy by making floors and / or the roof of the building large windmills farms with many small windmills.

Would the U.S. rather have them working in coal mines, new coal plants, gas stations, and Hummer factories, or standing on street corners, or would it be best for all concerned if they worked building solar panels, constructing large windmills, and helping to quickly construct clean CCS pilot plants?

However, each undoubtedly will require several square miles of land to accommodate, respectively, 242 and 160 very large windmills.

* The cost of energy from the latest generation of large windmills will be less than the cost of energy from smaller windmills.

The first section of the level has two Warp Pipes to the underground and a large windmill.

It is a grassy hill with a large windmill and underground complex.

Blow the wind to the north and then step on the switch, which will cause the large Windmill to start spinning.

It is a grassy hill with a large windmill and underground complex.

The first section of the level has two Warp Pipes to the underground and a large windmill.

There's the revelation that new, larger windmills are delivering a declining capacity factore even when they're new.

This is particularly true when «wind farm» developers propose to build the large windmills near homes or in other areas where the large, industrial machines are incompatible with current land uses and activities.

And fourth, that such observed reductions in efficiency appear to be due to the blade reinforcement necessary to compensate for blade deflection in the longer blades associated with the larger windmills.

The authors have failed to demonstrate that the cost of energy from new, large windmills (1500 kW) would be less than the cost of energy from smaller windmills.

Assuming that larger windmills are more efficient, the authors have failed to explain why major U.S. wind energy developers are continuing to choose smaller windmills (e.g., 660 kW) instead of the larger 1500 kW windmills.

The authors have failed to answer questions regarding the expected reliability and potential equipment problems with these new, unproven 1500 kW, 3 MW and 4 MW and larger windmills that have very limited, if any, actual field experience.

The authors, however, claim that the new, larger windmills will achieve higher CFs (and correspondingly higher power production), and this is assumed to be associated with lower per kWh costs.

Introduction In the August 24, 2001 Science «Policy Forum» article, «Exploiting Wind versus Coal,» by Stanford University engineers Mark Jacobson and Gilbert Masters, the authors recommended replacing 59 % of U.S. coal energy with energy from 214,000 to 236,000 large windmills.

ß The cost of electricity from new, large windmills is less than from smaller windmills.