SAVING ENERGYSAVING ENERGY

• TYPES OF ENERGYTYPES OF ENERGY

• WIND:wind power is the conversion WIND:wind power is the conversion of wind energy into a useful form of of wind energy into a useful form of energy.energy.

• SOLAR:is the radiant light and heat of SOLAR:is the radiant light and heat of the sun.the sun.

• HIDROPOWER: is electricity HIDROPOWER: is electricity generated by hidropowergenerated by hidropower

Wind powerWind power

Wind is simply air in motion. It Wind is simply air in motion. It is caused by the uneven is caused by the uneven

heating of the Earth's surface heating of the Earth's surface by the sun. Because the by the sun. Because the

Earth's surface is made of Earth's surface is made of very different types of land very different types of land and water, it absorbs the and water, it absorbs the

sun's heat at different rates. sun's heat at different rates.

Solar energySolar energyThe sun has produced energy The sun has produced energy

for billions of years.  Solar for billions of years.  Solar energy is the sun’s rays (solar energy is the sun’s rays (solar

radiation) that reaches the radiation) that reaches the Earth. This energy can be Earth. This energy can be

converted into other forms of converted into other forms of energy, such as heat and energy, such as heat and

electricity. electricity.

hydropowerhydropower

Hydropower is the renewable Hydropower is the renewable energy source that produces energy source that produces most of the electricity in the most of the electricity in the United States. It accounted United States. It accounted

for 6% of total U.S. electricity for 6% of total U.S. electricity generation and 67% of generation and 67% of

generation from renewables generation from renewables in 2008.in 2008.

Using power management features on your computer can save more than 600 KWh of electricity and more than $60 a year in energy costs. That equates to nearly half a ton of CO2 – more than lowering your home thermostat by two degrees Fahrenheit in the winter or replacing six standard light bulbs with compact fluorescents. Follow the steps below to ensure your computer is operating more efficiently.

When enabled, power management places your monitor, hard drives and computer into a low-power “sleep” mode after a period of inactivity. A simple touch of the mouse or keyboard “wakes” the computer, hard drive and monitor in

seconds. Power management features are standard in Windows and Macintosh operating systems.

The use of power management can reduce energy consumption and cooling costs, reduce noise, and

prolong the battery life of laptop PCs. And when your PC consumes less power, you reduce your impact on the

environment. To improve the power efficiency of your PC, the Climate Savers Computing Initiative recommends the following

power management settings: Monitor/display sleep: Turn off after 15 minutes or less

Turn off hard drives/hard disk sleep: 15 minutes or less

System standby/sleep: After 30 minutes or less Instructions for enabling power management vary by

operating system. Click the links to the right for detailed instructions by operating system.

You can also download a printable PDF with instructions for enabling power management in all of the above

operating systems.

1. Use computer and monitor power management. Doing so can save nearly half a ton of CO2 and more than $60 a year in energy costs.

2. Don’t use a screen saver. Screen savers are not necessary on modern monitors and studies show they actually consume more energy than allowing the monitor to dim when it’s not in use.

3. Buying a new computer? Make energy efficiency a priority while shopping for your PC and monitor. Look for the ENERGY STAR label or browse the Climate Savers Computing product catalog.

4. Turn down the brightness setting on your monitor. The brightest setting on a monitor consumes twice the power used by the dimmest setting.

5. Turn off peripherals such as printers, scanners and speakers when not in use.

6. Fight phantom power; plug all your electronics into one power strip and turn the strip off when you are finished using your computer. When feasible, we also

recommend unplugging the power strip from the wall to avoid high voltage surges which may occur during an electrical storm.

7. Use a laptop instead of a desktop. Laptops typically consume less power than desktops.

8. Close unused applications and turn off your monitor when you’re not using it.

9. Use a power meter to find out how much energy your computer actually consumes and to calculate your actual savings.

10. Establish multiple power schemes to address different usage models. For example,

you can create a power scheme for playing music CDs that shuts off your hard drive and monitor immediately, but never puts your system into standby mode.