Updated October 16, 2023

Can Generator Get Wet? Exploring the Impact of Moisture on Generators

Generators stand as silent sentinels, ready to power our lives when the grid falters. These mechanical marvels have become indispensable in our modern world. From providing essential backup during power outages to enabling off-grid adventures, generators are a lifeline for many.

Moisture, often an overlooked adversary, can pose a significant threat to generators. In this article, we delve into the profound impact of moisture on these machines, uncovering how they react to short-term exposure and long-term moisture, and exploring ways to safeguard them.Can Generator Get Wet

So, Can Generator Get Wet?

Not, recommended for use in wet conditions, if a generator needs to be used outdoors in wet or rainy conditions, it should be properly protected with weatherproof enclosures and running covers to ensure it remains dry and safe. Additionally, proper grounding and electrical safety measures should always be followed when working with generators to prevent accidents and damage.

How Can I Keep My Generator from Getting Wet

When the weather turns wet it’s crucial to ensure safe generator operation. Here are some tips to help you use your generator in damp conditions while preserving your investment:

Choose a Suitable Location: Place your generator in a location that is elevated and away from low-lying areas prone to flooding. Ensure it’s on a level surface to prevent water from pooling around it.

Use a Generator Shelter: Invest in a generator enclosure or shelter designed to protect the generator from the elements. These enclosures are typically made of weatherproof materials and provide ventilation for exhaust.

Install a Generator Canopy: Canopies are another option for protecting your generator. These are typically made of durable materials and shield the generator from rain and other weather conditions.

Elevate the Generator: You can place the generator on an elevated platform to prevent it from sitting in puddles or accumulating water around its base.

Weatherproof Cover: If you don’t have a shelter or canopy, you can use a weatherproof cover specifically designed for generators. Make sure it completely covers the generator and is secured in place.

Proper Ventilation: Ensure there is adequate ventilation to allow exhaust gases to escape safely. Never enclose the generator in a way that restricts ventilation, as this can be dangerous.

Weather Monitoring: Keep an eye on weather forecasts, and if severe weather is expected, take extra precautions. For example, if a major storm is coming, you might want to shut down and disconnect the generator until it’s safe to use again.

Remember that protecting your generator from the elements not only ensures its longevity but also keeps you and your property safe from potential electrical and fire hazards. Always refer to the manufacturer’s guidelines for specific recommendations on keeping your particular generator dry and safe.

Effects of Moisture on Generators

Moisture exposure can have various adverse effects on generators. It’s essential to understand these potential consequences to take preventative measures:

  1. Corrosion: The metal components of a generator are prone to corrosion when exposed to moisture. Corrosion can weaken the structure and reduce the generator’s lifespan.
  2. Electrical Damage: Water and electricity don’t mix. Moisture can cause damage to the generator’s electrical circuits, leading to malfunction.

Portable Generators and Moisture

Portable generators are versatile but face unique challenges when it comes to moisture exposure. Here’s what you need to know about using portable generators in wet conditions:

  1. Storage: When not in use, store your portable generator in a dry, well-ventilated area.
  2. Transportation: If you need to move your generator in wet conditions, ensure it’s properly covered and secured during transit.
  3. Usage in Rain: Never operate a portable generator in the rain unless it’s specifically designed for wet conditions.

Standby Generators and Moisture

Stationary standby generators are designed for long-term, all-weather use. Here are some considerations for protecting them from moisture exposure:

  1. Proper Installation: Ensure that your standby generator is correctly installed in a location that minimizes moisture exposure.
  2. Enclosure: Check that the generator’s enclosure is sealed and resistant to water.
  3. Ventilation: Keep the generator’s ventilation system free from debris and obstructions.

Inverter Generators and Moisture

Inverter generators are known for their quiet operation and clean power output, making them suitable for powering sensitive electronics. Here’s what you should be aware of regarding moisture exposure:

  1. Sensitive Electronics: Inverter generators house sensitive electronics. Ensure that these components are adequately protected from moisture.
  2. Compact Design: The compact design of inverter generators means they have limited space for moisture protection. Take extra precautions when using them in wet conditions.
  3. Outdoor Usage: Inverter generators can be used outdoors, but you should shield them from direct exposure to rain.


In a world where generators play a vital role in ensuring power supply, understanding the impact of moisture on these machines is essential. From the basics of generator components to the latest trends in moisture resistance, this post has covered it all. Armed with this knowledge, you can protect your generator and ensure it keeps the lights on when you need it most.


Can a generator get rained on?

Yes, generators can get rained on, but it’s not recommended. Generators are designed to be weather-resistant, but exposure to excessive moisture can lead to operational issues and potential damage. It’s best to protect your generator from direct rain whenever possible.

What happens if rain falls on a generator?

Rainwater can infiltrate the sensitive electrical components of a generator, causing it to malfunction or even fail. Water can also lead to rust, corrosion, and short circuits, which can be costly to repair.

What happens if water gets into a generator?

If water gets into a generator, it can cause electrical problems, damage to internal components, and potentially pose safety risks. Water and electricity do not mix well, and the generator might need extensive repairs or replacement.

Does a generator need to be dry?

Ideally, generators should be kept dry to ensure their proper functioning and longevity. While they are built to withstand some moisture, prolonged exposure to water or damp conditions can lead to issues. It’s advisable to protect your generator from excessive moisture.

How do I protect my generator?

  • Cover it: Use a generator cover or shelter to shield it from rain.
  • Elevate it: Place the generator on an elevated surface to avoid water pooling.
  • Regular maintenance: Schedule maintenance to check for water damage.
  • Proper ventilation: Ensure good ventilation to prevent condensation.
  • Install a canopy: Consider a dedicated enclosure.
  • Emergency shutdown: Add an automatic shutdown system for water emergencies.
About Saad Ahmed
Hi am Saad Ahmed and as you can see that i have been a generator mechanic for the past 12 years of experience in this industry. But now i am Full time digital marketer and affiliate blogger.