In today’s episode, you will learn a series of vocabulary words that are connected to a specific topic. This lesson will help you improve your ability to speak English fluently about a specific topic. It will also help you feel more confident in your English abilities.

1. Intermittent (adjective): not continuous; happening at irregular intervals.
   • Example sentences: 
     1. Solar and wind energy are intermittent sources of power.
     2. The intermittent rain showers made it difficult to plan outdoor activities.
     3. Her intermittent coughing disrupted the presentation.
2. Grid (noun): a network of interconnected lines and stations for the transmission and distribution of electricity.
   • Example sentences: 
     1. The power outage affected the entire electrical grid.
     2. The utility company is upgrading its power grid to handle increased demand.
     3. The grid operator monitors the system's real-time performance.
3. Capacity (noun): the maximum amount that something can contain.
   • Example sentences: 
     1. The battery's capacity determines how long it can power a device.
     2. The stadium's seating capacity is 50,000.
     3. The truck's cargo capacity is limited to 10 tons.
4. Efficiency (noun): the ability to do something well, quickly, and without wasting time or energy.
   • Example sentences: 
     1. Improving energy efficiency can reduce electricity bills.
     2. The new engine is more efficient than the old one.
     3. She works with great efficiency and accuracy.
5. Infrastructure (noun): the basic physical and organizational structures and facilities needed for the operation of a society or enterprise.
   • Example sentences: 
     1. The country is investing in its energy infrastructure.
     2. The aging infrastructure needs significant repair.
     3. The transportation infrastructure includes roads, bridges, and railways.

A Paragraph using the 5 vocabulary words

Energy storage is crucial for integrating renewable energy sources into the electrical grid. By storing excess energy generated during peak production periods, such as sunny days or windy nights, energy storage systems can help balance supply and demand. This increased capacity enhances the reliability and resilience of the grid, especially during periods of high demand or when intermittent sources like solar and wind power are not producing. Additionally, energy storage can improve the efficiency of the grid by reducing the need for peak power plants, which are often less efficient and more polluting. As energy storage technology continues to advance, it will play an increasingly important role in shaping a sustainable energy future. A robust energy storage infrastructure is essential to support the transition to a clean energy economy.

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