Renewable power unreliable
Monday, August 12, 2019
At the suggestion of Barney Kane’s letter in the Public Forum on July 12, I pulled up www.windexchange.enery.gov on my computer. The information I found there and in Mr. Kane's letter reminded me of the childhood story of Henny Penny "the sky is falling."
This website claimed that one single rotation of a windmill generator will provide enough electric power for one typical home for one entire day. They show no numbers for KWH quantity or time of day KWH delivery. Every windmill generator and every solar farm is equipped with a watt-hour meter recording electric generation four times each hour of the day. These readings are not made available to the public. Have they generated far more electric power or far less electric power than the public should be allowed to know?
The two big problems for any provider of electricity to the public is the quantity of KWH they need and the time of day they need it. These two numbers are called "KWH load" and "KWH Peak Load Demand." The customer's meter records the KWH's supplied as the KWH Load increases and decreases. There is a time of day when the KWH electric load is at a maximum demand for that day. Solar farm and windmill electric generation is controlled by the weather, not customer requirements.
The maximum KWH load for the day on the distribution system or the customer's electric system is the KWH Peak Load Demand. All industrial customer electric rates contain a serious financial penalty charge for power used during the KWH Peak Load Demand period. The cost of a KWH during the hour before the Peak Load Demand and the hour following the Peak Load Demand is billed at a substantial increase in cost. Most industrial customers make use a Peak Load Demand Control system to minimize the Peak Load Demand.
Lawrence Watts Jr.