The Dubai Electricity and Water Authority said it was making progress on its 260-metre 100 MW Concentrated Solar Power tower , which is expected to continue generating electricity for 15 hours after sunset by heat stored in molten salt . The tower is part of the fourth phase of a $ 13.6bn solar park project that will also include a parabolic trough designed to add 700 MW by heating a tube of salt . The state-run Dubai Electricity and Water Authority (DEWA) has been showcasing the construction progress of its first solar thermal power tower. The whole 700 MW fourth stage had a contract for $ 0.073 per kWh which is expected to be the lowest of its kind . The third , 800 MW , phase is set for completion in 2020 .
The Dubai Electricity and Water Authority said it was making progress on its 260-metre 100 MW Concentrated Solar Power tower , which is expected to continue generating electricity for 15 hours after sunset by heat stored in molten salt . The tower is part of the fourth phase of a $ 13.6bn solar park project that will also include a parabolic trough designed to add 700 MW by heating a tube of salt . The whole 700 MW fourth stage had a contract for $ 0.073 per kWh which is expected to be the lowest of its kind . The third , 800 MW , phase is set for completion in 2020 .