inexpensive - adj. low in price
emit - v. to send (light, energy, etc.) out from a source
global - adj. involving the entire world
alert - v. to make (someone) aware of something
detect - v. to discover or notice the presence of (something that is hidden or hard to see, hear, taste, etc.)
grid – n. a network of electrical wires and equipment that supplies electricity to a large area
renewable – adj. restored or replaced by natural processes : able to be replaced by nature
efficiency – n. the ability to do something or produce something without wasting materials, time, or energy : the quality or degree of being efficient
meter – n. a device that measures and records the amount of something that has been used
tampering – n. that act of changing or touching (something) especially in a way that causes damage or harm
bulb – n. a glass bulb or tube that produces light when it is supplied with electricity
consumption - n. the use of something (such as fuel)
efficient - adj. capable of producing desired results without wasting materials, time, or energy
consult - v. to talk about something with (someone) in order to make a decision
simulate - v. to look, feel, or behave like (something)