California-Based Rainmaker Technology Raises $100M in Series B Funding

The round saw backers including NOA VC, Upfront Ventures, DCVC, Lowercarbon Capital, and Dream Ventures.

The company plans to use the funding to expand its research team, conduct atmospheric research, and grow its operations globally.

What is Rainmaker Technology?

Rainmaker Technology develops cloud seeding technology designed to increase rainfall and snowfall.

The company uses weather-resistant drones to fly into winter storm clouds and release small amounts of silver iodide. Ice crystals form around the particles, grow heavier, and fall as rain or snow.

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Rainmaker also uses its own radar and validation systems to measure the additional precipitation generated by each cloud seeding operation.

The company is focused on addressing water scarcity and is also exploring applications in other areas, including reducing hail damage and improving soil conditions.

How Much Funding Has Rainmaker Technology Raised?

Rainmaker Technology has raised $100 million in its Series B funding round.

The source does not provide details about previous funding rounds or the company's total funding to date.

Who Invested in Rainmaker Technology’s Series B Round?

The Series B funding round included:

• NOA VC
• Upfront Ventures
• DCVC
• Lowercarbon Capital
• Dream Ventures

The source does not identify a lead investor.

Why the Funding Matters

Rainmaker will use the new funding to expand its research team, conduct frontier atmospheric research, and expand its operations globally.

The company is also developing its technology to address water scarcity and other challenges affecting productive land.

Who founded Rainmaker Technology?

Rainmaker Technology was founded in 2023 and is headquartered in El Segundo, California.

The source does not provide the names of the company's founders.

Market and Business Growth

Rainmaker said it became the first private company to physically validate the results of cloud seeding operations earlier this year.

Over four months, the company recorded 82 seeding signatures, which it said represented more than 145 million verified gallons of freshwater.

In August, Rainmaker produced 19 million gallons of water in about three hours near Homer, Alaska.

The company plans to expand its drone operations and expects the cost of its water to fall as production increases.

What Happens Next?

Rainmaker plans to expand its research and global operations while continuing to develop its cloud seeding technology.

The company expects to scale its water production during the November 2026 to April 2027 season and is also exploring applications beyond water, including hail damage, and soil-related challenges.

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