The Hydropower Plant Diorama was created to demonstrate how moving water can generate electricity and power everyday objects. Hydropower works by converting the kinetic energy of flowing water into mechanical energy, which then produces electrical energy through a generator. This project took 108 hours and 20 minutes to complete over the span of 30 days, involving extensive research, design, troubleshooting, and testing.

In the model, water is poured from one bottle into a funnel, directing it into an empty container to prevent spills. As the water flows, the movement turns the straw propellers, which then spin the turbine. This process converts the water’s kinetic energy into mechanical energy, causing the generator to move and produce electricity. The speed at which the turbine spins plays a crucial role in determining whether the generated electricity is sufficient to power the connected objects.

Electricity follows a specific path called a circuit. Red and black wires were used to create a circuit, ensuring the proper flow of electricity. The red wire carries the current to the device, while the black wire completes the circuit by returning the current, keeping everything powered. To ensure continuous energy flow, a battery pack was connected as a backup generator.

During testing, water was poured into the funnel, causing the turbine to spin, but the lights and motor did not turn on. This occurred because the water pressure was not strong enough to move the turbine at a speed necessary to generate the required amount of electricity. Several factors, such as water pressure, turbine size, and the number of connected devices, influence the efficiency of electricity transfer.

To troubleshoot, wires were reattached to a battery pack, and this time, both the lights and the motor turned on. This confirmed that the turbine was not spinning fast enough to generate a stable source of electricity. To further test this theory, a second car was built, and the generator’s shaft was manually spun. The faster the shaft was rotated, the brighter the lights became, but the energy was not sufficient to power both the lights and the motor simultaneously. However, when the battery pack was connected again, the lights stayed on, and the motor successfully turned the wheels.

This experiment confirmed that for hydropower to be effective, the turbine must spin at a high and consistent speed. This is measured in rotations per minute (RPM). Not all generators require the same RPM to function. The generator used required 6,500 RPM, which was difficult to achieve with just water flow. A generator that required only 30 RPM was found, but delivery did not arrive in time for testing.

To illustrate the importance of backup energy sources, a house was built in the diorama, powered entirely by battery packs. Unlike hydropower, which depends on a consistent water flow, batteries provide a stable and reliable power source. This demonstrated a key realization: while renewable energy sources like hydropower are valuable, they are not always reliable alone. Non-renewable energy sources, such as those used by utility companies, ensure a constant supply of electricity, keeping homes powered, safe, and functional.

Through this project, a deeper understanding of hydropower, energy conversion, and the challenges of relying solely on renewable energy sources was gained. While hydropower is a promising alternative, it requires careful planning and strong water flow to be effective. Findings highlight the need for a balance between renewable and non-renewable energy to maintain a consistent power supply. The 108 hours and 20 minutes spent on this project helped develop an appreciation for the complexities of energy generation and the importance of innovation in making renewable energy more efficient.