Marvella City is the first Solar City in Uttarakhand. Its Designed To Create Their Own Energy. Buildings are Planned To Have Maximum Natural Light. Its Planned For Natural Cross Ventilation. Flats are Two Sided Open. Green Energy is the Primary Source. Grid Energy As Stand by. Light, Fan, TV, etc Have Green Energy. All Flats Have Solar Water Heating System. Water Pumps etc. Run On Green Energy. Common Lighting In Outdoor Work On Green Energy. Light Points Have Time And Motion Sensors. After Sunset They Will Automatically Turn On.