1. Perovskite solar cells: Perovskite solar cells have emerged as a promising advancement in photovoltaic technology. These solar cells are made with inexpensive and easily accessible materials, offering high-energy conversion efficiency and the potential for low-cost solar power.

2. Wind turbines with larger and more efficient blades: The development of larger and more efficient wind turbine blades has significantly increased the capacity and efficiency of wind power generation. Longer blades capture more wind energy and generate more electricity, while also reducing the cost of wind energy.

3. Floating solar farms: Floating solar farms involve installing solar panels on water bodies, such as lakes, reservoirs, or even offshore locations. These systems help to utilize untapped areas for solar power generation and have the added benefit of reducing evaporation from water bodies.

4. Tidal and wave energy technology: Tidal and wave energy technologies harness the power of ocean currents and waves to generate electricity. Advancements in this field include improved turbine designs, more efficient energy conversion systems, and more reliable devices, contributing to the growth of renewable energy from the ocean.

5. Energy storage technologies: The advancement of energy storage technologies, such as lithium-ion batteries, has revolutionized renewable energy systems. Efficient energy storage allows for better integration of intermittent renewable sources like solar and wind power, enabling a more reliable and stable supply of renewable energy.

6. Concentrated Solar Power (CSP): CSP systems use mirrors or lenses to concentrate sunlight and generate heat, which is then converted into electricity. Recent advancements in CSP technology, such as molten salt storage systems, have made it possible to produce electricity even when the sun is not shining, significantly increasing the reliability and effectiveness of solar power plants.

7. Thin-film solar cells: Thin-film solar cells are highly flexible and can be used in a wide range of applications, including building-integrated photovoltaics and portable devices. Advancements in thin-film solar cell technology have led to increased efficiency, lower manufacturing costs, and improved aesthetics.

8. Ocean thermal energy conversion (OTEC): OTEC technology converts temperature differences between the warm surface waters and cold deep waters of the ocean into electricity. Ongoing advancements in OTEC systems, such as heat exchangers and improved energy conversion efficiency, hold promise for harnessing the vast energy potential of the ocean.

9. Artificial photosynthesis: Artificial photosynthesis aims to replicate the process of natural photosynthesis to produce clean fuels from sunlight, water, and carbon dioxide. By mimicking the natural photosynthetic process, researchers are making progress toward generating renewable fuels like hydrogen or methanol directly from sunlight.

10. Microgrids and smart grid systems: The integration of microgrids and smart grid systems enables better management and coordination of renewable energy generation, storage, and consumption. These systems allow for more efficient distribution and utilization of renewable energy, reducing energy waste and enhancing the overall reliability and resilience of the electricity grid.