Simple to understand and easy to use. Weâve designed PERRLA for MLA to work seamlessly and effortlessly within Microsoft Word. With just a few clicks, you can create References and Citations, add tables and charts, insert abstracts, and more.
Of course, with electricity demand falling â thanks in large part to the popularity of rooftop solar â power companies are using the fixed cost components of their billing systems to help cover their own fixed costs, while also compensating for lower usage by consumers.
1. Solar energy can only be harnessed when it is daytime and sunny. 2. Solar collectors, panels and cells are relatively expensive to manufacture although prices are falling rapidly. 3. Solar power stations can be built but they do not match the power output of similar sized conventional power stations.