The renewable energy storage landscape is undergoing a major transformation, fueled by the growing demand for cleaner, more sustainable power sources.
As the world moves towards a greener future, these 20 companies are leading the charge, developing cutting-edge technologies that could redefine how we store and use energy.
From breakthrough battery systems to advanced grid solutions, they’re overcoming key challenges like efficiency, cost, and scalability.
These innovators are shaping the next generation of energy storage, ensuring a more sustainable, reliable, and cost-effective energy future. Let’s dive into the companies driving this crucial revolution.
Let’s explore the key players driving this exciting transformation.
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#1 HENDRIK HAZELEGER
Hendrik Hazeleger is a distinguished leader in the renewable energy storage sector. Known for his work in energy systems, Hazeleger focuses on integrating innovative technologies for energy storage that enhance sustainability and scalability across industries.
His research plays a pivotal role in advancing energy storage systems that meet the demands of the global energy transition.
Key Patents in Renewable Energy Storage
System to upward balance the imbalance industry with a PV and lithium-titanate battery (GB2604611A)
A system of storing power produced from solar PV in a lithium-titanate battery system and selectively discharging the stored power, to the grid, in 15-minute intervals at times where wholesale prices of electricity are higher.
This provides grid balancing while increasing revenue for resale of stored electricity.
Supercapacitor PV car charging station (GB2605653A)
Charging electric vehicles by first storing the power generated from photovoltaic cells using a supercapacitor-battery hybrid buffer system and later charging such electric vehicles.
The battery system for storing energy may utilise LiPO4 batteries. This system enables fast charging of electric vehicles.
#2 DALKIZ ALTAN
Dalkiz Altan is recognized for her expertise in renewable energy, specializing in battery technologies that improve the efficiency and sustainability of energy storage systems.
Her contributions help address critical challenges related to energy storage, ensuring that renewable energy can be stored and used effectively.
Key Patents in Renewable Energy Storage
Electric drive system for vehicles (DE202020002593U1)
Electric vehicle that can largely do without charging stations by using regenerative energy sources like solar and wind power supplemented by recuperative energy.
The vehicle has solar panels, regenerative braking, and wind turbines. The solar panels charge the battery when parked and provide power when driving.
Regenerative braking recaptures kinetic energy. Wind turbines on the vehicle generate additional power from wind.
A coordination device manages energy flow between the sources, storage, and vehicle systems.
Electric drive system for vehicles (DE102020003555A1)
An electric vehicle drive system that maximizes use of renewable energy sources without relying on charging infrastructure.
The system leverages solar panels on the vehicle roof and body, regenerative braking, and wind power from fans in the front to generate and store electrical energy.
This allows the vehicle to primarily use renewable sources instead of charging stations for driving. The energy management system coordinates optimized retrieval from all sources to power the vehicle.
#3 WANG QUANLING
Wang Quanling is a leader in advancing battery technologies and energy storage solutions.
His focus on creating new materials and optimizing battery performance positions him as a key figure in the quest for more efficient and durable energy storage systems for the renewable energy market.
Key Patents in Renewable Energy Storage
Photovoltaic Energy Storage Power Station (US2024079903A1)
A photovoltaic energy storage power station that addresses safety concerns of exploding batteries in wind and solar power systems.
The station uses phase-change storage, sensible heat storage, and liquid-air cold storage instead of batteries.
It connects wind/solar grids, storage, heating/cooling, and loads. The storage components include phase-change heat storage, sensible heat storage, and a cold storage system using liquid-air.
This provides reliable, non-explosive energy storage for wind/solar grids.
Photovoltaic energy storage power station (CN216959714U)
A photovoltaic energy storage power station system that uses phase change materials for safe and reliable energy storage instead of batteries.
The system comprises a photovoltaic grid to generate electricity, an energy storage device containing phase change materials like air, liquid, and organic solutions, and a heat exchanger to convert between heat and cold storage.
The phase change materials allow flexible storage of heat or cold based on demand, mitigating safety issues like battery explosions.
The phase change storage can also provide cold like ice or chilled water for applications like air conditioning.
#4 WALLA GUENTHER
Walla Guenther is an expert in energy storage technologies, concentrating on innovative battery systems for large-scale applications.
Her work aims to improve the performance, reliability, and cost-effectiveness of energy storage systems, helping industries adopt cleaner, more sustainable energy solutions.
Key Patent in Renewable Energy Storage
Device for generating electricity from the excess heat energy that is temporarily produced in solar thermal systems and has therefore not yet been used (DE202020003362U1)
A method to extract electrical power from solar thermal systems during times when excess heat is generated, like summer months.
The method involves using the heat to generate electricity instead of storing it. This prevents thermal stagnation and allows better utilization of the solar collectors.
The excess heat is used to generate electricity that can be used directly, stored, or fed back into the grid.
This addresses the issue of thermal stagnation in solar thermal systems when they produce more heat than can be used, and allows better utilization of the collectors.
#5 PVG GMBH
PVG GmbH is a leading company in the renewable energy storage space, with a special focus on solar energy storage solutions.
PVG GmbH is committed to developing scalable energy storage systems that help maximize the efficiency and utility of solar power, supporting a cleaner and more sustainable energy future.
Key Patent in Renewable Energy Storage
Central energy storage for wind turbines (DE202022000452U1)
A wind turbine design that allows the turbine to store excess energy directly in its own structure, rather than needing external storage.
The turbine stores energy by raising a weight using a winch or hydraulic system, or by compressing air. This weight can then be lowered to release the stored energy.
By leveraging the turbine’s own mass and movement, it can store and release large amounts of energy on demand without needing additional components.
#6 HEYERICK STIJN
Stijn Heyerick is a renowned researcher and innovator in the renewable energy storage industry.
His work focuses on next-generation battery technologies and energy systems that aim to make renewable energy storage more efficient and economically viable for global markets.
Key Patent in Renewable Energy Storage
Hydro e-solar storage system (BE1027113A1)
A system for converting and storing excess solar electricity into usable heat. The system captures surplus solar power when it’s available and stores it in a buffer tank as heated liquid.
Later, when needed, the stored heat is released to provide hot water or space heating.
This allows utilizing solar overproduction locally without relying on the grid and avoids double transportation and costs.
The system can also extend existing heating installations without additional solar panels.
#7 MUHAMMET ENES BICAKCI
Muhammet Enes Bıçakçı is an expert in energy systems and storage technologies, specializing in developing safe and high-performance storage solutions for renewable energy.
His work focuses on enhancing battery lifespan and storage capacity to support the widespread adoption of clean energy.
Key Patent in Renewable Energy Storage
A System Transforming The Wind Energy In Vehicles To Electrical Energy (TR201900088U5)
An energy storage system for electric vehicles that converts wind energy generated by the vehicle’s motion into electrical energy to extend the vehicle’s range.
The system uses cylindrical wind turbines mounted on the vehicle that capture wind generated by the vehicle’s motion.
Kinetic energy from the wind is converted to electrical energy using generators and transmitted to the vehicle’s battery system.
This supplements the vehicle’s electrical power from external sources.
#8 RAMSDELL WILLIAM
William Ramsdell is a leader in developing scalable energy storage technologies, focusing on systems that support renewable energy integration.
He works on improving energy density and efficiency, providing solutions that help manage renewable energy on a larger scale.
Key Patent in Renewable Energy Storage
Solar-powered lighting system (US11802672B1)
The invention herein disclosed is a solar-powered lighting system optimized to convert light energy into electrical energy, store that electrical energy during daylight hours, and use stored electrical energy to power an LED light source during darkness hours.
#9 EMSAL DEMIR
Emsal Demir is an expert in renewable energy and battery chemistry, working on developing advanced energy storage solutions that improve the longevity, safety, and performance of storage systems.
His research supports efforts to scale renewable energy usage worldwide.
Key Patent in Renewable Energy Storage
Intelligent solar panel wind turbine (TR202101822A2)
Smart solar panel wind turbine that maximizes power generation by positioning the blades to capture both wind and solar energy.
The turbine blades have integrated solar panels. A control system calculates the optimal blade orientation based on factors like wind speed, sun angle, and moisture.
It then rotates the turbine to align the blades for maximum solar exposure when wind is low, and vice versa. This allows capturing both energy sources simultaneously.
#10 SOLAR SEED LLC
Solar Seed LLC is an innovative company focused on combining solar power with advanced energy storage technologies.
The company develops scalable solutions that ensure reliable energy access, promoting sustainability and efficiency in the renewable energy sector.
Key Patent in Renewable Energy Storage
Systems And Methods For Solar Energy Management (WO2021061738A1)
Solar energy management systems and methods are disclosed that can charge a battery from a solar panel and also operate without a battery, using the same equipment.
This multimodal feature provides the ability to incrementally increase capacity and extend the availability of electricity from moment to day only to continuous supply regardless of solar conditions.
#11 KESSELI JAMES
James Kesseli is a recognized leader in the renewable energy storage field, focusing on developing systems that enable efficient storage and distribution of energy.
His work emphasizes creating sustainable energy solutions that meet global energy demands.
Key Patent in Renewable Energy Storage
Counter-Rotating Reversing Energy Storage Turbo Machine (US2021355839A1)
Electrical energy storage is critical to increased adoption of renewable energy resources such as solar and wind power.
Apparatuses, systems and methods are disclosed for storing electrical energy as thermal energy and retrieving electrical energy from the stored thermal energy on a large utility scale.
#12 MEHMET ERTEKIN
Mehmet Ertekin is an expert in the development of energy storage technologies, specializing in systems that maximize energy storage efficiency while reducing costs.
His work supports the renewable energy industry’s shift towards more sustainable and scalable storage solutions.
Key Patent in Renewable Energy Storage
Storage Of Solar Energy As Potential Energy (TR202002515U5)
Solar power plants are established at a certain capacity depending on the daytime electricity consumption of the region where they are established.
If solar energy could be stored, it would be established to meet the electricity needs of the relevant region for 24 hours and a completely renewable energy source could be used in that region.
This model describes the storage of solar energy as potential energy and how the stored energy is used.
#13 SCHLITZ RUEDIGER MARIA GEN VON GOERTZ
Schlitz Ruediger Maria Gen von Goertz is an influential figure in the renewable energy space, particularly in battery development and energy storage.
His work focuses on optimizing energy systems and advancing the technological capabilities of energy storage solutions.
Key Patent in Renewable Energy Storage
Device and method for using solar power (DE102019100447A1)
Device for using solar power, a device for converting electrical energy into thermal energy and a heat store being provided, so that solar energy which is not used for other purposes.
It is to say excess, can be fed into the heat store via a device for converting electrical energy into thermal energy, and method for storing excess solar power as thermal energy.
Whereby unused, Unsaved or not fed into a power grid solar power of a solar system is fed into a heat store, wherein a device for converting electrical energy into thermal energy is used.
#14 YANG HYUN DAI
Yang Hyun Dai is a leading innovator in the field of renewable energy, with a focus on advanced storage technologies that support the integration of renewable energy sources.
His research is centered on improving energy storage systems for both commercial and residential applications.
Key Patent in Renewable Energy Storage
Hybrid Small Wind Turbine Generator (KR102060281B1)
The present invention relates to a hybrid type wind power generator, more specifically, which comprises: a solar power generation unit for generating power using solar power; and a wind power generation unit for generating power using wind power.
The power generated by the solar power generation unit and the wind power generation unit is stored in a storage battery.
According to the present invention, the stored battery power is used where power is needed, such as a home, or sent to a power company.
#15 NEWTON ADVANCED ENERGY LTD CO
Newton Advanced Energy Ltd Co is a company specializing in energy storage solutions designed to enhance the efficiency and scalability of renewable energy systems.
Their work focuses on large-scale applications, driving innovations in energy storage to support the global energy transition.
Key Patent in Renewable Energy Storage
System For Improving Performance Of Solar-Energy Installations (WO2021061104A1)
A micro power plant system that improves solar power output and storage by converting low voltage DC power generated during off-peak hours into AC power that can be stored.
The system is placed between the solar collectors and the storage units. It converts the low voltage DC power into AC power when it falls below the minimum threshold voltage required by the storage units to activate.
This allows capturing and storing more power during off-peak hours when solar panels generate less voltage.
#16 SZTOIKA CSABA
Sztoika Csaba is an expert in energy storage technologies, focusing on high-efficiency, long-duration battery systems.
His work is helping to pave the way for renewable energy to become more reliable and scalable for both industrial and residential sectors.
Key Patent in Renewable Energy Storage
Light, Air, Water and Heat Generator and Energy Storage Technology Systems (DE202021002172U1)
Solar/photovoltaic power generator and storage system Figure (Fig.1) Photovoltaic panel connected to the (2) electricity converter (3a) then connected to a battery/accumulator.
The generated electricity runs the air compressor (6).
#17 HIGHER DIMENSION MATERIALS INC
Higher Dimension Materials Inc specializes in cutting-edge materials science for energy storage, particularly in developing materials that increase the efficiency and safety of battery systems used in renewable energy applications.
Key Patent in Renewable Energy Storage
Flywheel And Molten Salt Hybrid Energy Storage Systems (WO2022115307A1)
This disclosure describes novel hybrid energy storage systems for providing short-term and long-term storage and delivery of electricity generated by any energy source including renewable energy sources such as solar energy and wind energy.
The hybrid energy storage systems described herein have a higher overall real-world efficiency than energy storage systems currently available.
#18 IVKOVIĆ MILOŠ
Ivković Miloš is a researcher and innovator focused on energy storage and renewable energy technologies.
His work contributes to improving the efficiency and longevity of storage systems, advancing the ability to store and utilize renewable energy more effectively.
Key Patent in Renewable Energy Storage
Solar Hybrid Battery (RS20190368A1)
Solar and hybrid battery for preparation and accumulation of electric and thermal solar energy. The invention relates to the production of electricity and heat from the sun and the turbulence of air produced by traffic.
The system works on the transfer of solar thermal energy, conduction and circulation to the heat accumulator.
Axial wind generators that work on magnetic levitation produce electricity by turbulence of air produced by traffic throughout the year, with the fact that it has production from natural air circulation, ie. wind, faster than 2.5 m / s.
Photovoltaic panels produce electricity on sunny days, which accumulates with the electricity of wind turbines in electric accumulators.
Electricity is used for lighting on bridges and overpasses, and the excess is converted into thermal energy and accumulated in the heat accumulator, where it is used in winter against the retention of snow and ice on roads.
#19 ROZEK SIMONE
Rozek Simone is a leader in the development of advanced battery technologies for renewable energy storage.
Her research and innovation focus on improving energy storage performance and reducing costs to make renewable energy more accessible.
Key Patent in Renewable Energy Storage
Method and arrangement of solar systems operated at night (DE102022003448A1)
The invention relates to a method and an arrangement for solar systems that work in stretch mode at night.
State-of-the-art solar systems such as solar thermal systems convert solar energy into heat energy. Solar systems such as photovoltaic systems generate electrical energy from solar energy.
This type of solar system has the disadvantage that it does not generate any energy at night. The process and arrangement of solar systems that are operated at night pushes the limit to energy production into the night.
By providing another system that converts solar energy into the system’s own, storable energy during the day, temporarily stores it until nighttime and converts it into radiant energy from dusk at night and radiates it towards the energy-converting surface or surfaces of the solar system.
The solar system converts the absorbed radiation energy into solar system-specific energy and makes it available for further use.
#20 İNÖNÜ ÜNİVERSİTESİ REKTÖRLÜĞÜ
İnönü University Rectorate is at the forefront of renewable energy research, with a strong focus on developing new storage technologies.
Their work in energy systems supports the growth of sustainable energy solutions, aiding the transition to cleaner power sources.
Key Patent in Renewable Energy Storage
Increasing Efficiency In Photovoltaic Systems With Its Neutrosophic Furious Logic Controller (TR2022003789A2)
A system to improve the efficiency of photovoltaic (PV) panels using neutrophic logic control. The system uses a neutrophic logic fuzzy controller to optimize the PV panel operating point.
It enriches the fuzzy logic approach used in maximum power point tracking (MPPT) by incorporating neutrophic logic to handle uncertainty and indeterminacy in input variables.
This allows more comprehensive evaluation of variables and provides better MPPT performance.
The system measures PV and battery parameters, amplifies the PV current, converts to stepping DC, provides USB/Ethernet ports, and uses the neutrophic fuzzy controller for MPPT.
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What’s Next for Renewable Energy Storage?
The future of renewable energy storage is rapidly evolving. As leading innovators—from established companies to dynamic startups—race to develop more efficient and sustainable storage solutions, the momentum is building.
With breakthroughs in battery technology, grid storage systems, and energy management, the next few years are set to redefine how we store and use renewable energy.
The integration of advanced storage solutions with solar, wind, and other clean energy sources will be key to overcoming the challenges of energy storage scalability and reliability.
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