Climate change is one of the biggest challenges humanity is facing. Solar power is expected to play a big role in reducing the use of fossil fuels. We make solar power plants more efficient and cost competitive, by increasing the energy production. At Startak we design and manufacture control systems for solar trackers used in large solar photovoltaic plants, to increase the energy production by 10-20% (depending on latitude). We provide our customers with a simple to use, modern and reliable hardware and software solution that is designed to give you peace of mind and control for the lifetime of your solar plant.

We`ve been organising Startup Weekends in Copenhagen for 4 years, educating and inspiring hundreds of people to become entrepreneurs. We were lucky to see it from the first row how #CPHSW helped people get into the entrepreneur mindset and to try new challenges. We always believed that one of strongest forces were the network of people you created during those crazy weekends. This is why we created Startup Weekend Mega: The biggest Startup Weekend ever organised in Europe.  We´re an awesome group of volunteers coming from a wide variety of backgrounds. All of us have their own stories about how we ended up joining the #CPHSW family.  We are proud that we`re 100% voluntarily run organisation and that we created a culture where everybody feels safe to experiment and make their own decisions. And we`re always there to support each other outside Startup Weekends.  We think being part of the organiser family is an excellent opportunity to try out craziest ideas in your field. A playground where we can have a lot of fun and learn a ton. After years of experimentation now we`re organising our biggest event, Startup Weekend Mega, and we would like to involve new people on this journey. If this makes you excited then please feel free to reach out copenhagen@startupweekend.org  or directly at the job posts. Fun guaranteed!;)

PIONEERING SOLAR TECHNOLOGY TO EMPOWER LIVES Welcome to X-SOLAR! An alternative energy company that specializes in solar energy. At X-SOLAR, our goal is to provide reliable maintenance-free solar power to off-grid areas as well as dependable backup power and related solar products across Africa. Our systems allow households and businesses to access solar energy through small-scale payments. Our combination of high-quality products, exceptional local customer service and responsive after-sales team guarantee you a stress-free experience that will not only save you money but keep you out of darkness and entertained. Yes, we have solar-powered digital TVs! How about that? To top that, all our products are available to buy online or through our local partners (hire-purchase) in different packages to suit every pocket. Our products are designed in Denmark where we have our key R&D/product team based. Our operations and sales currently happen in East Africa. We have a strong Kenya presence, but are on a scaling journey. More geographies will soon be announced. Sound interesting? We are always scouting for new talent to join the team.

Buildcode is an entrepreneurial eng. company specialized in developing systems for optimizing quality assurance in the construction industry. Our solution SiteMotionis based on day-to-day registrations done with drone and scanning technologies for recording and processing the data related to building informatics that enable to: - minimize errors and deficiencies on the construction site, - improve communication during the construction process,- enhance the overall quality of the building. We have a lot of fun! We work hard to learn and achieve and we face every problem with a solution. You will have the opportunity to get free coffee every day, and Buildcode will provide fresh fruit once a week. We go to lunch around 12:00 pm, you can bring your own food our eat for free at the canteen. We’re placed in two different groups: Our Technical Department and our Marketing/Sales and HR Department. But that’s only where we sit, we work crosswise all-day long.

KAKTI is on a mission to accelerate the transition toward affordable and intelligent energy systems. Our AI-powered energy management platform optimizes the operations of district heating plants, making energy production more efficient, responsive, and climate-friendly. We work with forward-thinking utilities and plant operators to orchestrate complex thermal systems in real-time, leveraging machine learning, optimization, and forecasting technologies. At our core, we're a collaborative, impact-driven, and technically ambitious team dedicated to transforming how heat and power are produced and consumed.

We develop, innovate, produce and deliver scalable waste-based building elements and interior products for the professional built environment. The construction industry account for 40% of all waste generated and is the #1 consumer of raw materials globally. The embedded carbon in building materials account for 11% of global carbon emission. At the same time, global floor area is expected to double by 2060. Sustainable building materials will be key to reducing footprint from the construction industry. We need to change the way we build and focus on materials produced from non-virgin materials. We make it possible to accelerate the necessary change towards a reduced use of virgin raw materials in our buildings by developing new earth and climate friendly products and solutions based on waste, biproducts, unused resources, and discarded production. We make it easy for the ones who design and build to choose a waste-based product, for the benefit of the environment, the user and the investor. Our approach is scalable. We are experts in creating valuable upcycledproducts from scalable sources of waste.We see opportunities, when others see waste. Our know-how drives innovation and product development and shape the products of tomorrow with the waste of today. Together with our trusted production partners, we offer our products at scale to the professional customer with warranties, guaranteed delivery, certifications and documentations. Come join the movement!

ZEVIT is a software and consultancy company specializing in asset data management in the renewable energy sector. We are on the lookout for a colleague and potential partner to join our fantastic team in Copenhagen. We provide a range of digital solutions all centered around Asset Integrity Hub, a cloud-based platform, enabling key industry players to collect, manage and analyze and utilize asset data.

Disruptive Biotrading is a newly formed biotrading company focused on the trading of sustainable byproducts for the Scandinavian biogas industry. We are already moving large volumes monthæy and are experiencing rapid growth. We are involved in innovative research projects, and setting new standards within the physical commodity trading world.

Founded in Copenhagen, NorthQ is a leading-edge manufacturer and service provider of Energy Management devices. Based on extensive expertise with connected devices, we pioneer in retrofit meter reading solutions for the industrial and domestic sectors. Powered by innovation and effectiveness, both the hardware and the software of our cloud-based solutions are developed internally. This enables us to provide rapid development of tailor-made industrial metering and energy management solutions for a wide variety of business clients. Our mission is to deliver valuable business insights for energy, indoor climate and predictive maintenance, in order to inspire our customers to improve operational efficiency. In this way, we aim to help our customers use their resources more responsibly, towards their business, communities and the environment.

UNYA Copenhagen is a volunteer-driven youth organization dedicated to empowering young people to engage with global challenges through the lens of the United Nations’ values and the Sustainable Development Goals. We create an inclusive platform where students and young professionals can learn, collaborate, and take action on issues like climate change, social inequality, peacebuilding, and innovation. We are addressing a clear and growing problem i.e. the disconnect between youth and global institutions. Many young people in Denmark care deeply about sustainability and justice but find it difficult to access meaningful opportunities to participate in international dialogue or contribute to real-world impact. This gap leaves motivated individuals without a channel to apply their energy, creativity, and ideas, while institutions miss out on fresh perspectives and engagement from the very generation that will inherit the future. UNYA Copenhagen bridges this divide by turning global ideals into local action. We organize interactive events, workshops, and panel discussions that make complex global topics accessible and relevant. Our activities are co-created by volunteers from diverse academic and cultural backgrounds who bring their own insights to the table. Through collaboration with universities, NGOs, and public institutions, we connect youth directly with experts and decision-makers, fostering a sense of shared responsibility and agency. What makes UNYA Copenhagen unique is our grassroots approach. We are not just an organization — we are a community that thrives on collective energy and creativity. Every project is designed by young people for young people, ensuring authenticity, inclusivity, and long-term motivation. Our strength lies in our diversity and the genuine commitment of our volunteers, who bring the UN’s global mission to life in a way that feels personal and actionable. The motivation behind UNYA Copenhagen is simple: we believe that youth engagement should not be limited to classrooms or conferences but should become a lived experience. We started this initiative because we wanted to make international dialogue tangible, local, and inspiring. Our team members share a passion for learning, community-building, and positive change — values that drive us to dedicate our time to building something meaningful together. Today, UNYA Copenhagen continues to grow as a platform where ideas turn into impact. We are seeking motivated individuals who want to gain experience in leadership, communication, and project management while contributing to a global cause. By joining The Hub’s Community Program, we hope to reach more passionate volunteers who want to be part of a dynamic network that connects Copenhagen’s youth with the world.

Nuvve powers the future of flexible energy by turning electric vehicles (EV), batteries, buildings, and distributed assets into dynamic grid resources. At the core is Nuvve’s advanced platform for vehicle-to-grid (V2G) and intelligent energy management, orchestrating real-time bidirectional charging, load optimization, and grid services. By harnessing an ecosystem of electrification partners, fleets, stationary storage, and smart EV chargers, Nuvve helps utilities and communities unlock flexibility at scale — enhancing reliability, accelerating electrification, and lowering costs. Nuvve enables a clean energy future where mobility, buildings, and infrastructure work together to support a more resilient, sustainable, and equitable grid. Headquartered in San Diego, California, Nuvve operates globally and online at nuvve.com

Many people are talking about the smart grid and how we can reach 100% sustainable energy, and avoid global warming getting out of hand, by intelligently balancing the consumption so it fits with the electricity production. At True Energy we're already doing it! True Energy offers a smart charging app to our end users so they can register their car or charger and have it start or stop charging based on the hour of day and the electricity price, so the user optimizes their charging to be cheapest. The service is free of charge for the end user because they participate in our flexibility pool where the power companies can buy offsetting of the consumption if the grid is overloaded or production is expensive. We use Google Workspace, GitLab as code repo, Jira for our agile project management, and Slack for chat. We have a policy of 100% line coverage for unit tests, and want to support continuous delivery. We focus on collaboration and an open, inclusive work environment. Our team is multinational, and the working language is English, so full proficiency is required.. We have team members in several time zones.

We implement and trade, energy storage solutions, that supports THE GREEN TRANSITION and ancillary services related to this. We have a desire to go where no one has gone before and generating the flexibility that is required for the transformation of the energy sector into a greener alternativ. We work in many different industries and are engaged in public research facilities.

We are passionate reinventing how homeowners and skilled builders find each other. In the past, if you needed building work done on your home, you would have to rely on word-of-mouth or hope that someone you know could recommend a good builder. 3byggetilbud.dk changed all that by creating a marketplace where homeowners can post their jobs and then the platform matches the best three builders for that specific job. This means that you can be sure to find a builder who is not only reputable but also has the skills and experience to do the job well. Our commitment to innovation has made us the market leader for Danish homeowners and builders alike.

At PEAK Wind, we specialise in operations, asset management, and project management of renewable energy assets and take pride in providing best-in-class commercial, financial, and operational advisory and support to our clients. We work with some of the world’s largest infrastructure investments and are proud to count market-leading utilities, investment funds, and IPPs among our clients.