ARPA-E Investor Update Vol. 19

AtmosZero's Boiler 2.0 and the Mission to Decarbonize Industrial Steam

On February 20th, 2024, ARPA-E awardee AtmosZero announced a $21M Series A financing round led by a transatlantic team of investors at the US-based Engine Ventures and European firm 2150, and supported by Constellation Technology Ventures. This Series A funding round will allow the AtmosZero team to advance their global mission to decarbonize industrial steam production, moving their flagship Boiler 2.0 device from a proof-of-concept to a commercial product ready for customers.

ARPA-E Investor Update Blog AtmosZero Boiler 2.0
ARPA-E Investor Update Blog Vol. 18 Niron Magnetics SCALEUP
ARPA-E Investor Update Vol. 18

Niron Magnetics is commercializing the world’s first high-performance, low-cost, rare-earth-free permanent magnets

On November 8, 2023, ARPA-E awardee Niron Magnetics raised $33M in funding for their proprietary Clean Earth Magnet™ technology from the venture funds of General Motors (GM), Stellantis, and other investors. The strategic partnership between Niron, GM, and Stellantis will enable Niron to move beyond the production capacity supported by ARPA-E’s Seeding Critical Advances for Leading Energy technologies with Untapped Potential (SCALEUP) 2021 program, increase customer prototyping programs, and support small-scale product runs for key entry markets.


ARPA-E Investor Update Vol. 17

Realta Fusion is applying new superconducting technology to a well-known fusion concept: the magnetic mirror

On May 31, 2023, ARPA-E awardee Realta Fusion raised $9 million in seed funding for their compact magnetic mirror fusion technology in a round led by Khosla Ventures.This is in addition to an award from the Department of Energy’s Milestone-Based Fusion Development Program for up to $3M aimed at driving forward commercial fusion energy development. Realta Fusion will use this funding to build out their staff and develop the design of their next stage prototype fusion device, the Break-Even Axisymmetric Mirror (BEAM) device. Realta plans to generate heat from fusion for industrial applications.


ARPA-E Investor Update Vol. 17 Realta Fusion is applying new superconducting technology to a well-known fusion concept: the magnetic mirror
ARPA-E Investor Update Vol. 16 Soil Health Institute Yard Stick PBC SOC Measurement
ARPA-E Investor Update Vol. 16

Yard Stick/Soil Health Institute's In Situ Spectroscopy to Soil Organic Carbon Measurement

On August 17, 2023, Yard Stick PBC announced $10.6 million raised in Series A funding for their low-cost, in situ soil carbon measurement technology in a round led by Toyota Ventures Climate Fund with participation from the Microsoft Climate Innovation Fund, The Nature Conservancy, Lowercarbon Capital, Breakthrough Energy Ventures, Pillar VC, and others. Their Series A round brings Yard Stick’s total venture capital funding to over $16 million.


ARPA-E Investor Update Vol. 15

Capturing CO2 at Scale with Captura's Hollow-Fiber Membranes

ARPA-E awardee Captura raised $12 million in Series A funding for their direct ocean capture (DOC) technology in a round led by Equinor Ventures, along with Aramco Ventures, the Caltech Seed Fund, Hitachi Ventures, Future Planet Capital, and mTerra Ventures in January 2023. Captura is using this funding to scale up their business and DOC technology that captures carbon dioxide (CO2) directly out of the ocean. Captura will use this funding to accelerate its piloting program and improve the DOC technology itself, including optimizing the CO2 permeable membranes and reducing CO2 removal costs.


ARPA-E Investor Update Blog Vol 15 Captura
ARPA-E Investor Update Vol 14 Emrgy
ARPA-E Investor Update Vol. 14

Emrgy’s Radically Reimagined Hydropower Technology

On April 11, 2023, ARPA-E awardee Emrgy raised $18.4M for their proprietary hydrokinetic turbine (HKT) in a Series A funding round led by Oval Park Capital, including key investors Fifth Wall, Blitzscaling Ventures, Overlay Capital, and Veriten. Emrgy will use this funding to open their turbine assembly facility in Aurora, Colorado with an estimated production capacity of 5 megawatts per month, deploy their distributed hydropower plants, and hire staff for their development, operations, and engineering teams.


ARPA-E Investor Update Vol. 13

Enzinc’s Rechargeable, Long-Life, Zinc-Based Battery is Diversifying the Electric Vehicle (EV) Battery Market

ARPA-E awardee Enzinc raised $4.5 million in seed funding for their zinc microsponge EV battery anode in a round led by Portland-based 3x5 Partners in July of 2022. This seed funding, along with a $1.8 million Bringing Rapid Innovation Development to Green Energy (BRIDGE) grant from the Electric Program Investment Charge (EPIC) program through the California Energy Commission (CEC), has allowed them to finalize testing of their prototype and design an automated production line for their anode. Alongside the $1.8 million BRIDGE grant, Enzinc has won four out of the five CEC grants within the EPIC Program, totaling $2.69 million.


ARPA-E Investor Update Vol 13 Enzinc
ARPA-E Investor Update Vol. 12 Syzygy
ARPA-E Investor Update Vol. 12

Syzygy Plasmonics Secures Funding for Photoreactor Technology Enabling Production of Green Hydrogen

ARPA-E awardee Syzygy Plasmonics recently raised $76 million in Series C funding from Carbon Direct Capital along with Aramco Ventures, Chevron Technology Ventures, Lotte Chemical, and Toyota Ventures. Early investors in Syzygy also joined the round, including EVOK Innovations, The Engine, Equinor Ventures, Goose Capital, Horizons Ventures, Pan American Energy, and Sumitomo Corporation of Americas. Syzygy previously raised over $35 million in public and private funding for their novel technology.


ARPA-E Investor Update Vol. 11

Brimstone Energy’s Revolutionary Cement is a Climate Solution

ARPA-E awardee Brimstone Energy raised $55 million in Series A funding in a round co-led by Breakthrough Energy Ventures and DCVC in April of 2022. This is one of the largest ever Series A rounds for a materials-science startup and follows Brimstone’s $5.1 million seed round raised in November of 2021.


ARPA-E Investor Update Vol 11 Brimstone Energy
ARPA-E Investor Update Vol 10 Bridger Photonics
ARPA-E Investor Update Vol. 10

Bridger Photonics’ Novel Methane Detection Technology

ARPA-E awardee Bridger Photonics, a Montana-based company developing methane detection technology, raised $55 million in funding from Beaverhead Partners, a syndicate composed of Madison Valley Partners, Carica Sustainable Investments, and Next Frontier Capital. The investment – one of the largest investments from venture capital seen in the state of Montana – will allow Bridger Photonics to continue its rapid growth and bring in new employees for their recent office expansion.


ARPA-E Investor Update Vol. 9

A Solid Future for Batteries: Ion Storage System’s Novel Structure for Lithium-ion Batteries

Ion Storage Systems (ION) recently raised more than $30 million in its Series A funding round for their novel approach to solid-state batteries. The funding round included several investors, including Toyota Ventures. Their recently announced investment will enable ION to establish a battery cell manufacturing line for their next-generation solid-state batteries. Funds raised in the Series A round will also drive the company’s current development projects forward in the consumer electronics, automotive, and stationary storage markets.


ARPA-E Investor Update Vol 9 Ion Storage Systems
ARPA-E Investor Update Vol 8 Heirloom
ARPA-E Investor Update Vol. 8

Heirloom’s Low-Cost, Scalable Carbon Removal Technology

Heirloom Carbon Technologies recently announced $53 million in follow-on funding for their direct air capture (DAC) technology raised from investors including Breakthrough Energy Ventures. Heirloom’s technology leverages carbon mineralization, taking naturally available rocks and minerals with a propensity to absorb CO2 and increasing their speed and ability to do so.


ARPA-E Investor Update Vol. 7

A Solid Energy Storage Solution: Antora's Solid-State Thermal Battery

ARPA-E awardee Antora Energy recently raised $50 million in a financing round for their solid-state thermal battery. Breakthrough Energy Ventures and Lowercarbon Capital led this financing round, offering further support for Antora’s mission store thermal energy in inexpensive carbon blocks and offer an efficient, cost-effective grid storage solution.


ARPA-E Investor Update Vol 7 Antora
ARPA-E Investor Updates
ARPA-E Investor Update Vol. 6

Verdox's Electro-Swing Technology Offers Scalable Carbon Capture Solution

ARPA-E awardee Verdox announced $80M in follow-on funding on February 2nd, 2022. The funding from a group of investors including Breakthrough Energy Ventures, Prelude Ventures, and Lowercarbon Capital will help develop and deploy the company’s novel electrochemical carbon capture technology.


ARPA-E Investor Update Vol. 5

Sila Nanotechnologies’ Si Anode Enabling Longer Battery Life in Wearable Electronics

On September 7, 2021, WHOOP launched its latest wearable fitness device, WHOOP 4.0, which will feature Sila Nanotechnologies’ new battery technology. Their technology replaces graphite anodes with silicon (Si) to increase the energy density of lithium-ion (Li-ion) batteries, which can reduce battery size without sacrificing safety or performance. Sila Nanotechnologies’ anode technology helps enable the WHOOP 4.0’s slim design.


ARPA-E Investor Update Vol 5 Sila Nanotechnologies
ARPA-E Investor Updates
ARPA-E Investor Update Vol. 4

Long Duration Storage and Electric Vehicle Batteries with ESS Inc. and Solid Power

ESS began trading publicly on the New York Stock Exchange on October 11, 2021. ESS’ (NYSE: GWH) batteries provide a new tool for decarbonizing the grid and further ARPA-E's mission of changing what's possible in how we generate, use, and store energy. For a look back at ESS’ time as an ARPA-E project, check out the original blog below and watch the video we recorded with them in 2017.


ARPA-E Investor Update Vol. 3

Ampaire Inc. and the Future of Electric Aviation

On February 18, regional air travel company Surf Air Mobility announced that they have entered into a definitive agreement to acquire hybrid-electric aviation startup Ampaire Inc., incorporating Ampaire’s unique electric powertrain technology into their plans to make electric air travel more widely available, sustainable, and affordable. The deal, reportedly worth roughly $100 million, would see Surf Air take on complete ownership of Ampaire, including hiring their existing employees, and operating it under a new division of the company called AMP.


ARPA-E Investor Update Vol 3 Ampaire
ARPA-E Investor Update Vol 2 Zap Energy
ARPA-E Investor Update Vol. 2

Zap Energy and the Pursuit of Lower-Cost Fusion Energy

After raising $27.5 million in their Series B fundraising round in May 2021, Zap Energy recently announced they raised an additional $160 million in follow-on funding. Lowercarbon Capital led their Series C funding round, with additional investors including Breakthrough Energy Ventures, Shell Ventures, DCVC, and Valor Equity Partners. The Zap Energy team also announced a major technical milestone last month. Zap Energy created the first plasma in their FuZE-Q prototype. With the roughly $200 million in additional funding Zap has secured since 2017 and the first plasma created in their FuZE-Q, the team is making progress toward the conditions needed for scientific energy breakeven and beyond.


ARPA-E Investor Update Vol. 1

Stanford University/QuantumScape and the BEEST Program

On September 3, 2020, battery producer QuantumScape announced its initial public offering (IPO) on the New York Stock Exchange through a reverse-merger with the special public acquisition company Kensington Capital Acquisition Corp. at an implied value of $3.3 billion. QuantumScape spun out of a project at Stanford University that was awarded $1.5 million to develop transportation battery technology under the Batteries for Electrical Storage in Transportation (BEEST) program.


ARPA-E Investor Update Vol 1 Quantumscape