For small to medium businesses, a 250kVA generator may prove useful, though costly. A few things determine the cost like brand, manufacturer, and type of generator. Well-known names within the industry definitely charge a premium. Because of the more expensive engines and fuel systems, as well as the added cost of fuel, diesel powered generators tend to be pricier than gas powered ones. Price differences are also induced by features like automatic voltage regulation and overload protection, which are considered advanced and therefore have an additional cost. When looking at more advanced features, it is equally essential to evaluate the costs involved, and other basic features. Different suppliers should be approached due to their unique power offers, so it’s crucial to analyze these.