subjective evaluations at 9 stations in Tokyo under low illuminance condition by power saving and under usual condition, after The Great East Japan Earthquake.As the result, it shows that users perceive the changes of illuminance between two conditions, and approve low illuminance conditions.And it is suggested that the evaluation about feelings is less influenced by the change of illuminance than the evaluation about brightness, and is influenced by other factors such as a form of lighting and a spatial form. subjective evaluations at 9 stations in Tokyo under low illuminance condition by power saving and under usual condition, after The Great East Japan Earthquake. Keywords : Station, Lighting, Power Saving, User Evaluation, Spatial FormAs the result, it shows that users perceive the changes of illuminance between two conditions, and approve low illuminance conditions.And it is suggested that the evaluation about feelings is less influenced by the change of illuminance than the evaluation about brightness, and is influenced by other factors such as a form of lighting and a spatial form. As the result, it shows that users perceive the changes of illuminance between two conditions, and approve low illuminance conditions.And it is suggested that the evaluation about feelings is less influenced by the change of illuminance than the evaluation about brightness, and is influenced by other factors such as a form of lighting and a spatial form. subjective evaluations at 9 stations in Tokyo under low illuminance condition by power saving and under usual condition, after The Great East Japan Earthquake. Keywords : Station, Lighting, Power Saving, User Evaluation, Spatial FormAs the result, it shows that users perceive the changes of illuminance between two conditions, and approve low illuminance conditions.And it is suggested that the evaluation about feelings is less influenced by the change of illuminance than the evaluation about brightness, and is influenced by other factors such as a form of lighting and a spatial form.