They applied the model to California’s energy system and found that compressed air could be very competitive on a dollars-per-kilowatt ... offer the lowest cost in $/kWh for long-term storage.
Besides, this coal provides around 10 per cent of Pakistan’s overall power needs at a much lower cost — Rs4.4/kWh compared to Rs14.8/kWh for electricity that is generated from the imported coal.
Using idle open-cast coal mines for pumped hydropower ... the levelized cost of energy (LCOE) of this project in India may be $0.2693/kWh. They also considered unexpected changes and said that ...
In comparison, local coal contributed 1,019 GWh (12.68%). The cost of electricity generated from local coal was Rs14.36 per kWh, while the cost of imported coal-based power stood slightly higher ...