Four black outline icons for solar, wind, battery, and eco electricity on white

Clean line icons for renewable energy and sustainability

A simple four-icon set sits on a white background, drawn in bold black outline for a clean, minimal look. The collection includes a solar panel with a sun, a wind turbine with airflow marks, a battery with a leaf, and an electric plug wrapped with a sprouting plant. Each symbol is isolated with generous negative space, making the layout easy to crop for presentations, websites, or infographic design. The flat monochrome style keeps the image versatile and modern, while the eco themes suggest renewable energy, green power, and sustainable technology. The arrangement is orderly and balanced, with two icons across the top and two across the bottom. No additional text or decorative elements appear, which keeps attention on the sustainability concepts themselves.