![\"Northrop](\"https:\/\/cdn.satnow.com\/news\/northrop_grumman_wide_2_638067710493847440.png\")
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In the 1940s, science fiction author Isaac Asimov theorized the concept of collecting the sun\u2019s energy in space, then beaming that energy down to Earth. Today, <\/span>Northrop Grumman<\/span>\u2019s <\/span>Space Solar Power Incremental Demonstrations and Research (SSPIDR)<\/span> Project team is making that science fiction a reality with steady progress towards transmitting solar energy from space to anywhere on Earth. SSPIDR technology can be especially useful in forward operating and contested areas where warfighters need steady power to maintain mission operations.<\/span><\/p>\n Harnessing solar power for use on Earth has enormous potential for communities where energy is scarce. For example, when military personnel establish a forward operating base one of the most dangerous parts of the ground operation is getting power. Convoys and supply lines, which are major targets for adversaries, are the usual methods to supply power. However, solar-powered beaming energy technology can provide constant, consistent and logistically agile power to expeditionary forces operating in hard-to-reach areas \u2013 assuring power is transmitted via radio frequency (RF) from space and reducing reliance on fuel convoys and other energy generation methods.<\/span><\/p>\n Utilizing one of the company\u2019s test chambers specifically designed for RF at its Baltimore manufacturing and test campus, the <\/span>SSPIDR<\/span> team successfully demonstrated the transmission of directed RF energy to a ground-based rectifying antenna (rectenna) – a critical milestone in the development of this pioneering technology. In this demonstration, engineers steered RF energy to rectenna hardware, energizing a series of lights that indicated the successful formation of an energy beam and conversion to useful electrical current.<\/span><\/p>\n As part of this laboratory demonstration, engineers also showcased the ability to beam RF energy to multiple fixed points by electronically steering and controlling the power beam using Active Electronically Scanned Array (AESA) capabilities.<\/span><\/p>\n \u201cSpace solar power beaming has the potential to provide energy anywhere on Earth at any time, making consistent and reliable energy available to remote locations when it’s needed most,\u201d said Tara Theret, SSPIDR<\/span> <\/span>program director, Northrop Grumman. \u201cWith this demonstration, we are one step closer to taking this technology out of the lab and putting it in orbit.\u201d<\/span><\/p>\n As ambitious as it is revolutionary, the SSPIDR<\/span> <\/span>Project which is under contracted development partnership with the <\/span>U.S. Air Force Research Laboratory (AFRL)<\/span> will utilize on-orbit, highly-efficient photovoltaic cells to collect solar energy. This solar energy will then be converted into RF energy and beamed to a receiving station on Earth \u2014 like a power plant, but for space solar energy \u2014 where it would be converted to usable energy.<\/span><\/p>\n Having successfully demonstrated the conversion of solar energy to transmittable RF energy and wireless beaming capabilities in a laboratory environment, engineers are continuing to fine-tune the array to strengthen beam steering capabilities.<\/span><\/p>\n What has for decades been a science fiction concept will soon be on its way to a space-based demonstration with AFRL\u2019s anticipated mission launch in 2025.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":" In the 1940s, science fiction author Isaac Asimov theorized the concept of collecting the sun\u2019s energy in space, then beaming that energy down to Earth. Today, Northrop Grumman\u2019s Space Solar Power Incremental Demonstrations and Research (SSPIDR) Project team is making that science fiction a reality with steady progress towards transmitting solar energy from space to anywhere on Earth. 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