
This data service provides rise, set, and transit times for the Sun and Moon, civil twilight beginning and end times , and lunar phase information for any year between 1700 and 2100.. This data service provides rise, set, and transit times for the Sun and Moon, civil twilight beginning and end times , and lunar phase information for any year between 1700 and 2100.. This data service calculates rise, set, and transit times for the Sun, Moon, planets and bright stars.. The United States has the potential to produce more than 100 times as much electricity from solar PV and concentrating solar power (CSP) installations as the nation consumes each year. [pdf]
This data service provides the times of rise, set, and transit for the major solar system bodies and selected bright stars. The output table also includes azimuth at rise and set, as well as altitude at transit. Data will be provided for the years 1800 through 2050.
The U.S. produced more solar power in 2023 than ever before – part of a decade-long growth trend for renewable energy. Climate Central’s new report, A Decade of Growth in Solar and Wind Power, analyzed U.S. solar and wind energy data from 2014 to 2023 for all 50 states and the District of Columbia.
Recent public opinion surveys give a clear message: most Americans want more solar and wind and less carbon pollution. The 2023 Yale Climate Opinion Maps show that 79% of U.S. adults support funding research into renewable energy, while 74% would support regulating carbon pollution.
Though we are seeing increased activity on the Sun, we expect this solar cycle to be average compared to solar cycles in the past century. Solar Cycle 25 began in December 2019 with a marked increase in solar activity. Here is a timeline of some of the more interesting solar events we observed this cycle so far:
The findings suggest that we could be due for an extraordinarily powerful solar event sooner rather than later. “We are in the space age,” said Yuta Notsu, an astrophysicist at the University of Colorado Boulder and an author of the paper.
The Sun emitted the largest solar flare yet in Solar Cycle 25 (as of March 2023). The X2 flare emitted its own burst of radio waves, as well as disrupting radio wave propagation through the ionosphere causing a level 3 radio blackout. This region also produced multiple weaker (M class and C class) flares. The sunspot number spiked in January.

The Kriegers Flak Combined Grid Solution, a of offshore wind farms into the power grids of two different countries will be the first of its kind. This has the advantage that up to the capacity of the connection the produced power can be transmitted to the country with the highest demand and price, improving the economy of the wind farms. Secondly, the connection between Denmark and Germany can act as an interconnector, so power can be transmitted fro. [pdf]
The Kriegers Flak - Combined Grid Solution is the world’s first hybrid interconnector/OWP system.
As part of the Combined Grid Solution project, Kriegers Flak is interconnected with the German wind farm Baltic II, which is located less than 30 kilometers southeast of Kriegers Flak. This allows for fossil-free energy to be shared between Denmark and Germany.
Kriegers Flak will take advantage of this and be connected both to the Danish grid as well as to the 288 MW ″EnBW Baltic 2″ which is connected via the 48 MW ″EnBW Baltic 1″ to the German grid.
The wind farm is serviced out of Vattenfall’s service facility at the Port of Klintholm on Møn, approximately 100 kilometres south of Copenhagen. With Kriegers Flak a milestone for a fossil-free energy has been accomplished. For the first time ever, an offshore power grid connects wind farms located in two different countries.
The extension of one of the two Kriegers Flak substation platforms at sea was required for the interconnector project CGS. The cables from all the wind turbines in the wind farm are connected in the transformer station at the transformer platforms. The voltage is transformed from 33 to 150 or 220 kilovolts (kV) for efficient further transport.
Kriegers Flak is located in the Baltic Sea, 15-40 kilometres off the Danish coast. "Flak" means reef, and this one is named after the Danish naval officer Christian Krieger, who in 1840 mapped the Baltic Sea. The offshore wind farm covers the annual energy consumption of approximately 600,000 households.
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