{"id":44952,"date":"2025-06-11T22:34:19","date_gmt":"2025-06-11T22:34:19","guid":{"rendered":"https:\/\/www.alicat.com\/?p=44952"},"modified":"2026-03-18T18:31:03","modified_gmt":"2026-03-18T18:31:03","slug":"solar-wasserstoff-elektrolyse","status":"publish","type":"post","link":"https:\/\/www.alicat.com\/de\/articles\/solar-hydrogen-electrolysis\/","title":{"rendered":"Solar-Wasserstoff-Elektrolyse-Systeme"},"content":{"rendered":"

[et_pb_section fb_built=”1″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”2em||0px||false|false” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_heading title=”Solar Hydrogen: Renewable Powered Electrolysis” _builder_version=”4.27.4″ _module_preset=”default” custom_css_free_form=”selector h1 {|| text-wrap: pretty;||}” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_heading][et_pb_post_title title=”off” author=”off” date=”off” categories=”off” comments=”off” featured_image=”off” _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”5px||||false|false” custom_padding=”||||false|false” custom_css_free_form=”selector .et_pb_title_meta_container {|| padding-bottom: 0 !important;||}” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_post_title][et_pb_image src=”https:\/\/www.alicat.com\/wp-content\/uploads\/2025\/06\/solar-hydrogen-electrolysis-article.webp” alt=”Photo of a solar farm generating hydrogen” align=”center” force_fullwidth=”on” module_id=”article-hero-image” _builder_version=”4.27.5″ _module_preset=”default” custom_margin=”1.5rem||||false|false” custom_css_free_form=”selector img {|| object-fit: cover;||}” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_image][et_pb_divider color=”#2A3B47″ divider_weight=”2.5px” _builder_version=”4.27.4″ _module_preset=”default” height=”0px” custom_margin=”3rem||3rem||true|false” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_divider][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”0px||0px||true|false” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”||2rem||false|false” global_colors_info=”{}” theme_builder_area=”post_content”]There are two primary ways to generate solar hydrogen: hydrogen produced from solar energy. The first is via a\u00a0photochemical process<\/a>, using solar energy directly to split water. The second is solar powered electrolysis, which uses solar cells to generate electricity and power electrolysers.<\/p>\n

While the photochemical process is appealing due to its direct hydrogen production, it must still undergo significant innovation to reach scalability. Solar powered electrolysis, on the other hand, uses already established technologies and can therefore more immediately be used to provide certain geographies with the opportunity to produce large amounts of green hydrogen.[\/et_pb_text][et_pb_heading title=”Current solar hydrogen capabilities” _builder_version=”4.27.4″ _module_preset=”default” title_level=”h3″ global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_heading][et_pb_text _builder_version=”4.27.6″ _module_preset=”default” custom_margin=”||2rem||false|false” hover_enabled=”0″ global_colors_info=”{}” theme_builder_area=”post_content” sticky_enabled=”0″]A 2023 research paper<\/a> analyzing the advancements and challenges in photovoltaic-based hydrogen production<\/a>\u00a0highlights key barriers such as safety, production, storage, utilization, commercialization, weather variability, and cooling of photovoltaic cells. The paper reports that the highest solar-to-hydrogen conversion efficiency achieved so far is 30%.<\/p>\n

Generally, these 30% systems rely solely on electrical energy and suffer from low efficiency due to significant heat losses<\/a>. One solution is hybrid photovoltaic-thermal systems which convert solar energy into both electricity\u00a0and<\/em>\u00a0useable heat, improving process efficiencies up to\u00a080%.<\/p>\n

In both systems, excess energy can be stored as hydrogen and used at some point in the future instead of going to waste. Hybrid systems have the added bonus of producing heat that can be fed into electrolysis processes (which are more efficient at higher temperatures) \u2013 or used to heat buildings. Other methods such as photoelectrocatalytic hydrogen production via water splitting[\/et_pb_text][et_pb_heading title=”Existing solar hydrogen projects” _builder_version=”4.27.4″ _module_preset=”default” title_level=”h3″ custom_margin=”||1rem||false|false” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_heading][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”||2rem||false|false” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

Manilla Community Solar array \u2013 New South Wales<\/h4>\n

A $2.3 million grant was awarded in 2020 to a\u00a0project in rural New South Wales<\/a> for a 4.5 MW solar array and a 2 MW solar hydrogen storage system. The installation will also be one of the first commercial scale projects to use solid-state hydrogen storage in the form of sodium borohydride (NaBH4<\/sub>). This \u201cH2Store battery\u201d technology was developed by the University of New South Wales and the cost is comparable to existing chemical battery storage technology.<\/p>\n

First Solar & Nel Hydrogen<\/h4>\n

The American solar systems manufacturer First Solar partnered with Norway\u2019s Nel Hydrogen to develop a power plant<\/a> that produces solar-generated hydrogen and low-cost electricity. Initially, they used proton exchange membrane (PEM) electrolysis systems but faced equipment challenges. The ball-type rotameters that Nel Hydrogen had traditionally used lacked the necessary precision, so they switched to Alicat\u00a0mass flow meters<\/a> to test their S, H, and C PEM electrolysers<\/a>.<\/p>\n

BP, Iberdrola, & Enag\u00e1s<\/h4>\n

BP teamed up with Iberdrola and Enag\u00e1s\u00a0<\/a>installed a photovoltaic powered, 20 MW electrolyser that will allow them to transition from grey hydrogen consumption to green.<\/p>\n

Soto Solar Espa\u00f1a<\/h4>\n

Independent producer Soto Solar Espa\u00f1a plans to develop a\u00a01 GW photovoltaic park<\/a>\u00a0with a 100 MW electrolyser by 2024.<\/p>\n

Baofeng Energy<\/h4>\n

The Chinese coal mining company\u00a0Baofeng Energy<\/a>\u00a0announced in 2021 plans for two 100 MW solar power generators to power electrolysis as part of their efforts to half CO2<\/sub>\u00a0emissions by 2030. The project was finished approximately in December of 2021, and is claimed by Baofeng Energy to be the world\u2019s largest solar hydrogen generation project.<\/p>\n

Sinopec & Longi<\/h4>\n

The oil firm Sinopec had previously partnered with the solar technology manufacturer Longi to work on the company\u2019s decarbonization efforts<\/a> by developing green hydrogen production infrastructure back in 2021. In 2025, Sinopec announced a $690 million dollar hydrogen venture capital fund<\/a> to invest in hydrogen energy startups.<\/p>\n

H2B2<\/h4>\n

Starting in 2018, the California Energy Commission issued a solicitation to create renewable hydrogen generation facilities across the state. The SoHyCal project<\/a>, presented by the hydrogen processing company H2B2, touts itself as the largest operational green hydrogen production plant in North America,<\/a> powered entirely by renewable energy.<\/p>\n

[\/et_pb_text][et_pb_heading title=”Market opportunities and future outlook” _builder_version=”4.27.4″ _module_preset=”default” title_level=”h3″ global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_heading][et_pb_image src=”https:\/\/www.alicat.com\/wp-content\/uploads\/2025\/06\/solar-hydrogen-article.webp” alt=”Photo of industrial smokestacks emitting pollutants” _builder_version=”4.27.4″ _module_preset=”default” max_width=”50%” max_width_tablet=”100%” max_width_phone=”100%” max_width_last_edited=”on|tablet” custom_margin=”13px||||false|false” custom_padding=”||2rem|2rem|false|false” custom_padding_tablet=”||2rem|0rem|false|false” custom_padding_phone=”||2rem|0rem|false|false” custom_padding_last_edited=”on|tablet” custom_css_main_element=”float: right;” global_colors_info=”{}” custom_css_main_element_last_edited=”on|phone” custom_css_main_element_phone=”float: none;” custom_css_main_element_tablet=”float: none;” theme_builder_area=”post_content”][\/et_pb_image][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”||2rem||false|false” custom_padding=”6px|||||” global_colors_info=”{}” theme_builder_area=”post_content”]The global push towards decarbonization has triggered increasing investments in PV hydrogen projects, with many countries and corporations seeking to reduce reliance on fossil fuels and bring down the dollar cost per kW<\/a>. Analysts predict that green hydrogen demand could rise dramatically by 2030,<\/a> driven by heavy industry, transportation, and grid balancing needs. Major economies including the European Union, the United States, China, and Australia are rolling out policies, subsidies, and research funding to accelerate adoption. As technologies mature and costs continue to decline, solar hydrogen could transform not only the energy landscape but also create new market opportunities in renewable chemicals, synthetic fuels, and distributed energy storage.[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”||2rem||false|false” custom_padding=”||0px|||” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

Applications<\/h3>\n

Converting solar energy into hydrogen requires systems that operate reliably under varying conditions while maintaining high efficiency and safety. Alicat\u2019s precision mass flow and pressure instruments have supported a variety of solar hydrogen projects in achieving these goals.<\/p>\n

One research laboratory needed an on-site solution to blend natural gas and hydrogen in precise ratios before feeding the mixture to a gas turbine. The hydrogen was produced by a PEM electrolyzer powered by 30\u202fkW of solar panels. To ensure consistent flow and mixing, they used the FusionFlow MXM all-in-one gas blender<\/a>, delivering a stable output at 40\u202fPSI and 150\u202fSLPM to match the turbine\u2019s requirements.<\/p>\n

In another project, Alicat liquid flow controllers<\/a> were used to deliver deionized water through prototype equipment prior to field deployment. Additionally, Alicat MC-Series mass flow controllers<\/a> helped deposit polymorphous and doped polymorphous silicon for developing solar cell prototypes.<\/p>\n

With reliable flow and pressure control, Alicat instruments continue to enable clean energy innovations worldwide.<\/p>\n

 <\/p>\n

[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section][et_pb_section fb_built=”1″ custom_padding_last_edited=”on|phone” admin_label=”Section – Categories – Category Cards” _builder_version=”4.27.3″ _module_preset=”default” custom_padding=”0px|4vw|40px|4vw|false|true” custom_padding_tablet=”||35px||false|true” custom_padding_phone=”||10px||false|true” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”0px||0px||true|false” global_colors_info=”{}” custom_padding__hover_enabled=”off|desktop” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_heading title=”Related Products” _builder_version=”4.27.4″ _module_preset=”default” title_level=”h2″ title_font=”||||||||” custom_padding=”||||false|false” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][\/et_pb_heading][\/et_pb_column][\/et_pb_row][et_pb_row column_structure=”1_4,1_4,1_4,1_4″ use_custom_gutter=”on” gutter_width=”2″ make_equal=”on” module_class=”row_equal_height_cards” _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”0px||0px||true|false” custom_css_free_form=”@media (max-width: 650px) {||\t.et_pb_column {|| width: 100%!important;||\t} ||}” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”1_4″ _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_code _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

\t\t\thref=”https:\/\/www.alicat.com\/products\/pressure\/pressure-controller\/dual-valve-pressure-controllers\/”\t>\t\t<\/p>\n
\t\t\t\t\t\t\talt=”Alicat Dual Valve Pressure Controller”\t\t\t\theight=”220″\t\t\t\tsrc=”https:\/\/www.alicat.com\/wp-content\/uploads\/2024\/10\/PCD-prod-600px.webp”\t\t\t\twidth=”220″\t\t\t\/>\t\t<\/div>\n

\t\t<\/p>\n

\t\t\t<\/p>\n

Dual-valve pressure controllers<\/h3>\n

\t\t\t<\/p>\n

PCD Series<\/h4>\n

Reach setpoints in milliseconds and maintain control without continuous bleeding.<\/pee>\t\t<\/div>\n

\t<\/a><\/div>\n

[\/et_pb_code][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.27.3″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_code _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

\t\t\thref=”https:\/\/www.alicat.com\/products\/gas-flow\/mass-flow-controller\/gas-low-flow-coriolis-controllers\/”\t>\t\t<\/p>\n
\t\t\t\t\t\t\talt=”CODA controller with display”\t\t\t\theight=”220″\t\t\t\tsrc=”https:\/\/www.alicat.com\/wp-content\/uploads\/2024\/10\/CODA-KC-prod-600px.webp”\t\t\t\twidth=”220″\t\t\t\/>\t\t<\/div>\n

\t\t<\/p>\n

\t\t\t<\/p>\n

Coriolis mass flow controller<\/h3>\n

\t\t\t<\/p>\n

CODA Series<\/h4>\n

Precisely flow high pressure gases or control DI water into cells.<\/pee>\t\t<\/div>\n

\t<\/a><\/div>\n

[\/et_pb_code][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_code _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

\t\t\thref=”https:\/\/www.alicat.com\/products\/gas-flow\/mass-flow-controller\/laminar-dp-mass-flow-controllers\/”\t>\t\t<\/p>\n
\t\t\t\t\t\t\talt=”MC series laminar DP mass flow controllers”\t\t\t\theight=”220″\t\t\t\tsrc=”https:\/\/www.alicat.com\/wp-content\/uploads\/2024\/10\/MC-prod-600px.webp”\t\t\t\twidth=”220″\t\t\t\/>\t\t<\/div>\n

\t\t<\/p>\n

\t\t\t<\/p>\n

Laminar DP mass flow controllers<\/h3>\n

\t\t\t<\/p>\n

MC Series<\/h4>\n

Mimic hydrogen fuel cell behaviors at full scale flow rates up to 12,000 SLPM.<\/pee>\t\t<\/div>\n

\t<\/a><\/div>\n

[\/et_pb_code][\/et_pb_column][et_pb_column type=”1_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_code _builder_version=”4.27.5″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

\t\t\thref=”https:\/\/www.alicat.com\/products\/class-i-div-1\/”\t>\t\t<\/p>\n
\t\t\t\t\t\t\talt=”Intrinsically Safe Class 1 Div 1 ATEX Zone 0 mass flow controllers and mass flow meters for explosive environments from Alicat Scientific using laminar DP flow technology to measure flow, pressure, and temperature of gases”\t\t\t\theight=”220″\t\t\t\tsrc=”https:\/\/www.alicat.com\/wp-content\/uploads\/2024\/05\/IS_Pair.webp”\t\t\t\twidth=”220″\t\t\t\/>\t\t<\/div>\n

\t\t<\/p>\n

\t\t\t<\/p>\n

Intrinsically Safe mass flow meters & controllers<\/h3>\n

\t\t\t<\/p>\n

IS-Max & IS-Pro Series<\/h4>\n

Electronically measure and control pressure or mass flow processes in explosive CID1 environments<\/pee>\t\t<\/div>\n

\t<\/a><\/div>\n

[\/et_pb_code][\/et_pb_column][\/et_pb_row][et_pb_row _builder_version=”4.27.4″ _module_preset=”default” custom_padding=”||0px||false|false” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_column type=”4_4″ _builder_version=”4.27.4″ _module_preset=”default” global_colors_info=”{}” theme_builder_area=”post_content”][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” custom_margin=”||2rem||false|false” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”]<\/p>\n

Green future<\/h3>\n

Using solar energy to power electrolysis offers an alternative pathway for sunny regions to produce energy sustainably. Green hydrogen production like this reduces dependence on fossil fuels and encourages innovation in solar and electrolysis technologies, helping to meet the energy needs of large populations. In the short term, individual projects and plants have a minimal impact on the overall energy market. However, by expanding the capacity for solar hydrogen generation, we can build a stronger foundation for a cleaner, more resilient energy system.[\/et_pb_text][et_pb_text _builder_version=”4.27.4″ _module_preset=”default” text_font=”|700|||||||” custom_margin=”||2rem||false|false” locked=”off” global_colors_info=”{}” theme_builder_area=”post_content”]Keep reading: Learn more about photoelectrocatalytic hydrogen production $<\/span><\/a>[\/et_pb_text][\/et_pb_column][\/et_pb_row][\/et_pb_section]<\/p>\n","protected":false},"excerpt":{"rendered":"

There are two primary ways to generate solar hydrogen: hydrogen produced from solar energy. The first is via a\u00a0photochemical process, using solar energy directly to split water. The second is solar powered electrolysis, which uses solar cells to generate electricity and power electrolysers. While the photochemical process is appealing due to its direct hydrogen production, […]<\/p>\n","protected":false},"author":7,"featured_media":45017,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"on","_et_pb_old_content":"","_et_gb_content_width":"","content-type":"","_searchwp_excluded":"","footnotes":""},"categories":[128,120],"tags":[],"class_list":["post-44952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-environmental-air-monitoring","category-hydrogen"],"acf":[],"yoast_head":"\nSolar Hydrogen Electrolysis Systems - Alicat Scientific<\/title>\n<meta name=\"description\" content=\"Green energy solutions are dependent on the technologies that support them. This article examines solar hydrogen production and photochemical energy.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.alicat.com\/de\/artikel\/solar-wasserstoff-elektrolyse\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Solar Hydrogen Electrolysis Systems\" \/>\n<meta property=\"og:description\" content=\"Green energy solutions are dependent on the technologies that support them. 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