California utilities are confident they will reach the state-mandated goal of 50% in-state renewable energy by 2030. Their real challenge is upgrading the grid to handle power coming both ways, not just one way. Another issue is Community Choice Aggregation,…

Renewable installations in 2016 accounted for two-thirds of all new energy. Solar PV accounted for 43% of that. Worldwide, new coal and natural gas plants are lagging way behind new renewable energy. Solar PV is entering a new era. For…

Germany has subsided $222 billion of renewable energy development. An impressive 33% of their power is from renewables. However, some Germans are paying much more for power while others get subsidies. Plus, emissions haven’t dropped much, primarily because Germany panicked…

Tidal turbines, unlike other forms of renewable energy, produce absolutely predictable amounts of electricity because they use tides to generate energy. Atlantis Resources has just completed installation of four tidal turbines in the north of Scotland that look somewhat like wind…

Before someone gets snarky, please be aware that Las Vegas is a world leader in recycling and reusing water. Rainfall is captured in flood basins, goes through water purification and wetlands, then flows back into Lake Mead to be reused.…

Solar PV is half the price of coal and gas in many countries. This trend will accelerate. Unsubsidized solar will become the dominant and cheapest form of power worldwide. Interestingly, solar is more expensive in dinosaur countries like ours where…

MidAmerican Energy is replacing motors and blades in hundreds of wind turbines in Iowa. They say the upgraded turbines will last 20-30 years and will generate substantially more power. When the four year process is completed, their customers will get…