
Welcome to
Carrisa Hydrogen
Our Vision
“Green Hydrogen production using solar PV to power Electrolyzers converting the most abundant energy source in our solar system the Sun into the cleanest energy storage unit Hydrogen.”
Carrisa Hydrogen is a pioneering company dedicated to transforming solar energy into clean hydrogen fuel. By leveraging advanced photovoltaic technology and electrolysis, we create sustainable energy solutions that reduce carbon emissions. Our projects span across various regions, providing efficient and eco-friendly alternatives to traditional fossil fuels. With a strong commitment to innovation and environmental stewardship, Carrisa Hydrogen is at the forefront of the clean fuels revolution. Our work not only supports a greener planet but also paves the way for a sustainable future.
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It all begins with an idea.
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Utilizing best of breed vendors we design and engineer the project in-house.
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Hydrogen Characteristics and Production:
Hydrogen is the simplest and most abundant element in the universe.
On Earth, it rarely exists as a free gas and must be separated from other elements.
It can be produced from diverse, domestic resources:
Fossil fuels, nuclear energy, and biomass.
Renewable energy sources such as solar, wind, and geothermal.
Electrolysis: A key process that uses electricity to split water into hydrogen and oxygen.
Economic and Grid Integration:
Hydrogen production during periods of excess generation can reduce renewable energy curtailment.
It helps optimize existing baseload plants, including nuclear facilities.
Hydrogen can be:
Stored and distributed efficiently.
Used as a feedstock across various sectors:
Transportation (trucks, rail, marine, etc.).
Stationary power and process or building heat.
Industrial and manufacturing (e.g., steel production).
DOE’s H2@Scale Initiative: Aims to unlock economic opportunities by integrating hydrogen into multiple sectors.
Fuel Cells:
Generate electricity through an electrochemical reaction using fuels like hydrogen.
When powered by hydrogen, fuel cells emit only water and heat.
They continuously generate power as long as there is a constant supply of fuel and oxygen.
Fuel cells are two to three times more efficient than internal combustion engines.
Real-World Applications and Successes:
Transit Buses:
Over 60 hydrogen fuel cell buses operate in the U.S. (e.g., in California, Massachusetts, Michigan, Ohio).
Some buses have surpassed 32,000 drive hours, comparable to diesel engine lifespans.
Hydrogen Fueling Stations:
More than 45 stations support over 8,800 fuel cell cars nationwide.
42 retail hydrogen stations in California offer fueling experiences similar to gasoline stations.
Emerging Sectors:
First hydrogen fuel cell trains and hydrogen-powered boats are in operation.
Fuel cell delivery/parcel trucks are active in California and New York.
Marine port fuel cells have been installed in Hawaii.
A heavy-duty fuel cell drayage truck demonstration is underway at the Port of Long Beach.
Hydrogen Production and Infrastructure in the U.S.:
Over 10 million metric tons of hydrogen are produced annually, mostly via steam methane reforming.
Major consumers include the petroleum refining and fertilizer production industries.
There are approximately 1,600 miles of hydrogen pipelines, with large production facilities in almost every state.
Industrial Applications:
More than 35,000 hydrogen fuel cell forklifts are operating across the U.S.
Over 20 million hydrogen refuelings have supported these forklifts in warehouses, stores, and manufacturing facilities.
Hydrogen-powered forklifts offer quick refueling, improved performance, and zero emissions indoors.
Hydrogen as a Fuel for Vehicles:
Hydrogen is sold by the kilogram; one kilogram contains energy equivalent to one gallon of gasoline.
Refueling is fast, comparable to filling up with gasoline.
Approximately 50 hydrogen stations support over 12,000 fuel cell vehicles and nearly 70 buses.
Current hydrogen cost is around $13 per kilogram, with expected reductions as technology advances.
Fuel cell electric vehicles can travel about 60 miles on 1 kg of hydrogen versus 25 miles per gallon for conventional vehicles.
DOE’s Hydrogen Shot Initiative: Aims to boost fuel efficiency to nearly 100 miles per kg and reduce hydrogen costs to $1/kg within a decade.
Advantages of Hydrogen Fuel Cells in Vehicles:
Emit only heat and water—no tailpipe pollutants.
Offer higher energy conversion efficiency and quieter operation.
Enable longer travel distances with less frequent refueling.
Ideal for heavy-duty vehicles like tractor trailers and public transit buses.
Zero-emission vehicles can idle without adding to air pollution while maintaining passenger comfort.
Additional Resources:
Learn more about hydrogen and fuel cells on the DOE Hydrogen and Fuel Technologies Office’s education page.
Sign up for the DOE newsletter to stay updated on the latest developments in hydrogen and fuel cell technologies.
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Encompassing Ventura, Santa Barbara, and San Luis Obispo Counties
Vision Statement
To establish a resilient, economically vibrant, and environmentally sustainable hydrogen ecosystem in the tri-counties, driving California toward a 100% clean energy future while showcasing innovative integrations of renewable energy, water stewardship, and sustainable agriculture.
Key Objectives
Accelerate Clean Energy Transition:
Foster the development and deployment of green hydrogen technologies that reduce greenhouse gas emissions and support statewide clean energy mandates.Leverage Regional Assets:
Utilize abundant solar and biomass resources, integrated with innovative agrivoltaics, to produce clean hydrogen while enhancing local agricultural productivity and water management.Stimulate Economic Growth and Innovation:
Attract public and private investment to build a robust hydrogen infrastructure, create high-quality jobs, and drive technological innovation in renewable energy and sustainable land use.Enhance Environmental Stewardship:
Implement practices that conserve and replenish water resources, reduce wildfire risk, and promote sustainable agriculture—exemplified by projects like the Solar Cattle Ranch, where residual process water is repurposed for irrigation.
Strategic Initiatives
Green Hydrogen Production Infrastructure
State-of-the-Art Facility:
Develop a flagship green hydrogen production plant powered by off-grid solar photovoltaic systems. Using high-capacity DC/DC PEM electrolyzers up to 20MW, this facility is envisioned to be the largest of its kind in California.Technology Integration:
Compare and integrate best practices from dual-axis and single-axis tracking PV systems to maximize solar capture, ensuring optimal energy production for hydrogen electrolysis.
Water Resource Management and Agrivoltaics
Water Stewardship:
Employ advanced water management practices by repurposing “hard water” from the electrolysis process for irrigation and utilizing recharge wells during the rainy season to replenish groundwater.Agricultural Integration:
Support a Solar Cattle Ranch that maintains AG zoning while producing premium, sustainable beef. This agrivoltaic approach leverages residual water and solar infrastructure to enhance both energy and agricultural outputs.
Infrastructure and Distribution
Hydrogen Storage & Dispensing:
Develop facilities for hydrogen storage as compressed gas and the use of tube trailers capable of handling pressures up to 520 bar, thereby building a comprehensive distribution network.Regulatory Alignment:
Work closely with state agencies to navigate and streamline permitting processes under frameworks like CEQA, leveraging incentives and guidelines from Executive Order N-8-23 and SB 1420.
Partnerships and Economic Development
Public-Private Collaboration:
Engage local governments, utilities, industry stakeholders, and academic institutions to foster a collaborative environment that supports technology transfer, workforce development, and market expansion.Funding and Investment:
Capitalize on federal and state funding opportunities (e.g., from the Inflation Reduction Act and DOE initiatives like LASSO) to drive the economic viability of the hydrogen infrastructure.
Policy and Regulatory Advocacy
Supportive Policy Environment:
Advocate for policies that recognize the dual benefits of hydrogen as an energy carrier and an agricultural enabler, ensuring that regional projects receive priority in statewide clean energy initiatives.Innovation in Zoning and Land Use:
Demonstrate how integrated projects can maintain agricultural zoning while contributing to renewable energy goals and mitigating wildfire risks through improved land management practices.
Implementation Roadmap
Short-Term (1-2 Years):
Pilot projects and feasibility studies, initial infrastructure development, and stakeholder engagement sessions.Medium-Term (3-5 Years):
Scale-up of green hydrogen production capacity, expanded agrivoltaics applications, and establishment of regional hydrogen distribution hubs.Long-Term (5+ Years):
Full integration of the hydrogen economy within the tri-counties, leading to widespread economic benefits, significant emission reductions, and positioning the region as a national model for clean energy and sustainable agriculture.
Conclusion
The Tri-Counties Hydrogen Readiness Plan is a forward-thinking roadmap that leverages the unique assets of Ventura, Santa Barbara, and San Luis Obispo counties. By integrating advanced green hydrogen production with responsible water management and innovative agrivoltaic systems, the plan not only supports California’s clean energy goals but also paves the way for a sustainable, economically dynamic future in our region. This multi-faceted approach ensures that our efforts in renewable energy, agriculture, and environmental stewardship reinforce one another, creating lasting benefits for our communities and the state as a whole.
Would you like to explore any section in further detail or discuss next steps for stakeholder engagement and policy advocacy?
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Technology Overview:
Electrolyte: Uses a liquid alkaline solution (typically potassium hydroxide or sodium hydroxide).
Electrodes: Typically employ non-precious metal catalysts (e.g., nickel).
Maturity: A well-established, mature technology with decades of operational experience.
Key Advantages:
Cost-Effective: Generally lower capital costs due to simpler materials and designs.
Robust and Reliable: Proven long-term stability, especially at large scales.
Lower Catalyst Cost: Uses abundant, inexpensive catalysts rather than precious metals.
Limitations:
Operating Flexibility: Less dynamic; slower response to load changes, which can be a challenge when integrating with variable renewable energy sources.
Efficiency and Purity: While efficiency is competitive, the production process can yield slightly lower hydrogen purity compared to PEM systems.
Operating Conditions: Typically operates at lower current densities, potentially resulting in larger, more space-intensive systems for a given hydrogen production rate.
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How It Works:
Dual-axis tracking systems adjust both the tilt (vertical plane) and the azimuth (horizontal plane) of the panels throughout the day. This continuous alignment allows the panels to face the sun directly at nearly all times.Production Benefits:
Maximized Sunlight Capture: Can capture both direct and diffuse solar radiation more effectively, especially during early mornings and late afternoons.
Yield Increase: Under optimal conditions, dual-axis tracking can boost annual energy yield by approximately 25–35% compared to a fixed tilt system.
Considerations:
Cost & Maintenance: More complex mechanics and electronics increase both capital and maintenance costs.
Best For: Projects where maximizing energy output is critical and where higher upfront costs can be justified by long-term gains.
Single-Axis Tracking
How It Works:
Single-axis tracking systems typically rotate on one axis—most commonly following the sun’s east-to-west movement. Some designs track on a vertical or horizontal axis.Production Benefits:
Improved Sunlight Capture: By adjusting in one direction, these systems capture more sunlight than fixed panels, especially during mid-day.
Yield Increase: Can improve annual energy production by roughly 10–25% over fixed tilt systems, with exact gains depending on the site’s latitude and local weather conditions.
Considerations:
Simplicity vs. Performance: They offer a good balance between performance and cost, with fewer moving parts than dual-axis systems.
Best For: Sites where moderate increases in energy yield justify the slightly higher costs over fixed systems.
Fixed Tilt Systems
How It Works:
Panels are installed at a fixed angle optimized for the location’s latitude, intended to maximize average annual solar incidence without any mechanical movement.Production Benefits:
Simplicity & Low Cost: With no moving parts, fixed tilt systems have lower installation and maintenance costs.
Baseline Energy Capture: They are effective in areas with high direct sunlight but typically capture less energy during mornings, evenings, or in diffused light conditions.
Considerations:
Lower Yield: Compared to tracking systems, fixed tilt installations generally produce the least annual energy yield.
Best For: Projects where capital cost and maintenance simplicity are key priorities, and land is inexpensive relative to potential yield improvements.
Meet the Team
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Tom Rehder
Founder
Tom graduated from the University of Notre Dame BA & MSA.
Awarded full ride scholarship to Notre Dame, 3rd round NFL draft; New York Giants Super Bowl XXV 1991; A – General Engineering Contractor; Real Estate License 1991 to current. Restaurateur 2005 to 2022. Tom brings to the team years of hands on construction, operational, management, marketing, and entrepreneurial skills. -
Jan Ratzlaff
Founder
Jan is exceptionally qualified as the Principal Investigator for the EMCS project. With 32 years as a Journeyman Electrician, a C-10 license, and EVITP certification, he has led successful EV charger installations, showcasing his extensive expertise in electrical infrastructure development, directly aligning with the project's objectives.
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Howard Lee
Finance and Analytics
Howard has held diverse finance and analysis roles within the renewable energy industry over the last 25 years. He has analyzed, financed and sold wind, solar, biomass, hydrogen production and battery storage projects in that time. He holds a B.A. degree in economics from the University of Chicago and an MBA from Rice University.
Project Overview: Carrisa Highway Project
Carrisa Hydrogen is developing a Tier 1 ~12 MW solar array spanning across 20 acres in one of the best solar resources in California.
This solar plant will connect to a 9 MW Green Hydrogen production facility.
The majority of the Hydrogen produced on-site will be transported off-site for further use.
The plant is projected to produce around 1,000 to 1,400 kg of Green Hydrogen a day.
The project will also include a public EV charging and H2 fueling station with
eight EV charging stations, a Hydrogen vehicle fueling station, portable bulk Hydrogen storage
trailers, and 30 MWHs of batteries for onsite energy storage and power regulation.