Modular Pumped Storage Hydropower for Faster Low-Impact Deployment
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Solution Overview
Problem
Conventional pumped storage hydroelectric systems are expensive, environmentally disruptive, and have long commissioning times due to custom site-specific designs, making them less desirable and limiting their adoption.
Innovation Solution
A modular and scalable pumped storage hydroelectric system with standardized components, including modular reservoir tanks and a penstock system, that can be easily replicated and adapted to different sites, utilizing renewable energy sources for pumping and power generation, and incorporating surge suppression and UV mitigation features.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional pumped storage hydroelectric systems are constructed with custom site-specific design, then the system can be adapted to specific location requirements, but the construction cost becomes extremely expensive and commissioning time increases
Solution Approach 1:
The system is divided into modular components including standardized pump/turbine assemblies, pre-fabricated penstocks, and modular reservoir structures. These modules can be manufactured off-site and assembled at the installation location, reducing custom fabrication costs while maintaining site adaptability through configurable module arrangements.
Solution Approach 2:
The pump/turbine assembly is designed as a universal component that can function in both pumping mode (moving water from lower to upper reservoir) and power generation mode (generating electricity from water flowing from upper to lower reservoir). This multi-functionality eliminates the need for separate pumping and generating systems, reducing overall system cost while maintaining flexibility.
2Adaptability or versatility
If conventional pumped storage hydroelectric systems are constructed with custom site-specific design, then the system can be adapted to specific location requirements, but the commissioning time becomes long
Solution Approach 1:
System modules are pre-manufactured, pre-tested, and pre-assembled at fabrication facilities before being transported to the installation site. The penstocks are pre-fabricated with connections, and the pump/turbine assemblies are pre-configured with control systems. This preliminary preparation significantly reduces on-site assembly time and commissioning duration while allowing customization for different sites.
3Power
If conventional pumped storage hydroelectric systems are constructed at utility scale with output capacities greater than 200 MW, then the power generation capacity is high, but the environmental impact and hurdles increase
Solution Approach 1:
The system can be deployed as multiple smaller modular units rather than a single large utility-scale installation. Each module can be independently sited to minimize environmental disruption, and the cumulative power output can still achieve utility-scale capacities. This segmentation allows for smaller footprints and reduced impact on natural waterways compared to conventional large-scale systems.
Solution Approach 2:
The modular design allows each component to be optimized for its specific local conditions. Reservoirs can be positioned to minimize disruption to local ecosystems, penstocks can be routed to avoid sensitive areas, and pump/turbine assemblies can be configured to match local hydrological conditions. This localized optimization reduces overall environmental impact while maintaining power generation capacity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach reduces construction costs, expedites project development, minimizes environmental impact, and increases operating efficiency by allowing for standardized components and renewable energy integration, facilitating the replication of systems without complete redesign and providing a closed-loop operation that is less dependent on natural water sources.
Implementation Method 1
The pump/turbine may be configured to receive water flowing from the upper reservoir system to the lower reservoir system for generating electrical power
Implementation Method 2
The pump/turbine may also be configured to pump water from the lower reservoir system to the upper reservoir system for storing energy
Implementation Method 3
a penstock coupled with the upper reservoir system
Data Source
AI summary
A pumped storage hydroelectric system may include a reservoir system including an upper reservoir system and a lower reservoir system. At least one of the upper reservoir system and the lower reservoir system may include a modular reservoir arrangement. A penstock may be coupled with the upper reservoir system. A pump/turbine may be coupled with the penstock and with the lower reservoir system. The pump/turbine may be configured to receive water flowing from the upper reservoir system to the lower reservoir system for generating electrical power, and to pump water from the lower reservoir system to the upper reservoir system for storing energy.