The wattage of a microwave oven's output power is determined by the strength of its magnetron, which is the component responsible for generating the microwaves that cook the food. The wattage rating indicates how much energy the microwave can produce to heat the food.
While it's true that many over-the-range microwave ovens have a 1000-watt output power, there are a few reasons why 1100-watt models might be less common:
Cost: Manufacturing a microwave oven with a higher wattage can be more expensive. Consumers often prioritize affordability, and manufacturers may opt for 1000-watt models to keep the price lower and more competitive.
Energy efficiency: Higher wattage microwave ovens typically consume more electricity to achieve their increased power output. Manufacturers may design 1000-watt models to strike a balance between cooking performance and energy efficiency.
Standardization: Over time, 1000-watt microwaves have become a standard in the industry. This wattage level is generally sufficient for most cooking tasks, making it a popular choice among consumers and manufacturers alike.
Heating capabilities: The difference between 1000 and 1100 watts may not be significant enough for many users to justify the cost difference. For most everyday cooking needs, a 1000-watt microwave is already quite capable.
Consumer demand: Manufacturers often base their product offerings on consumer demand and market research. If most consumers are satisfied with 1000-watt microwaves, there might be less incentive for manufacturers to produce 1100-watt models.
It's worth mentioning that while 1000-watt microwaves are common, there are higher wattage models available on the market. If you specifically want an 1100-watt over-the-range microwave, it's still possible to find them, although you may have a somewhat smaller selection to choose from compared to 1000-watt models. Always check the specifications and features of different models to find the one that best suits your needs and preferences.