It may be comprised by 8 panels of 125 W or 5 panels of 200w, or 4 panels of 250w, etc. In all different solutions you should be able to gather comparable solar panel cost information in order to be able to compare the different solutions.
THE CAT is a classic example of context effect. We have little trouble reading H and A in their appropriate contexts, even though they take on the same form in each word. A context effect is an aspect of cognitive psychology that describes the influence of environmental factors on one's perception of a stimulus. The impact of context effects is considered to be part of top-down design. The concept is supported by the theoretical approach to perception known as constructive perception.
Context is the information necessary to correctly interpret a word or phrase that could otherwise be interpreted in a number of different ways. Without context, the speaker appears to be simply saying that New York is a bad place to live for everybody.