All articles tagged with #solar energy
Governor Gavin Newsom signed three energy bills on September 30, legalizing small plug-in solar systems for Californians who cannot install rooftop panels. The legislation allows devices up to 1,200 watts to connect directly to household outlets without utility approval, while new rules aim to integrate home batteries and electric vehicles into the grid to reduce costs and improve reliability.
New Haven installed 1,920 solar panels on a sealed landfill cap at 260 Middletown Ave using ballast blocks to avoid penetrating the liner, producing about 1.4 million kWh annually (roughly enough for 200 homes). The city didn’t spend on construction and now earns about $72,000 per year ($1.4 million over 20 years) via a lease with Greenskies Clean Energy, which sells the power to United Illuminating. Construction took about ten months, with the system going live around July 9, 2026, illustrating how capped landfills can become revenue sources rather than mowing costs.
California avoided rolling outages during the hottest August on record thanks to a rapid expansion of battery storage that stores solar energy for peak demand, integration with a broader Western grid, and a growing share of renewables. Storage capacity has grown from less than 100 MW in 2020 to over 17,000 MW today, with a goal of 20,000–25,000 MW by 2045 as the state reduces natural gas use and relies more on solar, wind, and other clean energy. Public safety measures remain for extreme conditions, but the grid has become more resilient overall, reducing the need for Flex Alerts or rolling outages.
Facing rolling electricity blackouts and fuel shortages worsened by sanctions and import losses, Cubans are getting creative: influencer Dayán Marrero shares DIY antenna tutorials to tap scarce mobile internet, farmers pasteurize milk over charcoal and power dairies with solar panels and batteries, and private solar-powered electric tricycles are increasingly ferrying Havana residents; at Viñales, a dairy farm runs on solar power with an inverter to keep a freezer, despite few tourists, illustrating Cuban resilience and ingenuity amid energy scarcity.
New Texas laws taking effect today touch consumers, schools, and businesses: HB 2963 expands access to repair parts and info for consumers and independent shops (excluding cars, appliances, and gaming consoles); solar purchases gain protections including company registration, insurance, licensed contractors, and a 5-day cancellation window; funding for special education shifts to follow the level of student support with clearer reporting; gold and silver are recognized as legal tender under specified rules; other bills expand district courts, CPS oversight, solar cost-benefit analyses for rooftop solar outside ERCOT, and more, reflecting a broad state policy update.
Tesla abruptly ends its Solar Roof program, stopping tile shipments and shifting to conventional solar panels. Over seven years the system saw only about 3,000 installations, far below Elon Musk's goals, and many certified installers spent hundreds of thousands on training, crews, and tooling, now facing six-figure losses as projects are halted or stranded. Tesla says it will honor existing warranties, but contractors worry about long-term service and parts; the move highlights the risk for building-integrated solar when a manufacturer withdraws support.
SpaceX's Terafab mega-chip factory in Grimes County, Texas will be powered by newly built natural gas plants and large battery arrays, with no Tesla solar in the plan despite Tesla’s partnership; the site sits on a former coal plant and aims to churn out over a terawatt of compute annually for SpaceX and xAI, plus future chips for Tesla, marking a gas-first approach for AI data centers amid debates over solar power and reliability.
The Trump administration announced 15% tariffs on all imported polysilicon components and set minimum import prices (e.g., $21/kg polysilicon, 22¢/W cells, 38¢/W panels), effective December 4, 2026, aiming to bolster U.S. polysilicon production and onshore the solar supply chain. The move could raise imported-panel costs while encouraging domestic investment, with industry players like Qcells and Corning welcoming the policy and a broader AD/CVD framework expected to follow for additional countries.
The FCC announced blocking new imports of advanced, foreign-made robots and power inverters used in solar projects due to perceived cybersecurity and supply‑chain risks linked to China; waivers can be pursued through a Pentagon/DHS process, and the policy does not affect existing devices or federal procurement.
The US FCC has approved Reflect Orbital’s plan to launch a constellation of sun-reflecting satellites, beginning with the 60‑foot Eärendil-1 prototype, to illuminate dark areas and support solar power after sunset. The project envisions up to 50,000 mirrors by 2035, but astronomers warn the mirrors could disrupt observations and light pollution, while biologists voice concerns about ecological and circadian impacts. Critics question whether such a fleet is feasible or safe, even as the company touts a possible fossil-fuel替ing energy source, and public comments on the proposal were highly critical.
Kyushu University researchers designed a solid-state organic material by attaching alkyl chains to dihydroindenoindenedene (DHI) to create precise gaps between molecules, enabling efficient triplet energy transfer. This yields a solid-state fluorescence quantum yield over 60% and, with a donor partner, about 1.9% visible-to-UV upconversion under outdoor solar light, opening possibilities for solar-driven photocatalysis, indoor air purification, and low-intensity 3D printing. A patent has been filed, highlighting the approach as a major step in photon upconversion and molecular self-assembly research.
University of Rochester researchers built a solar-powered desalination device with a laser-etched black surface that absorbs most sunlight and draws a thin water film to distill fresh water, while moving the salt to untreated edges to avoid clogging and leaving no brine waste. The surface remains self-cleaning across ocean water, and a related version seeded with nanoparticles can remove lithium from Great Salt Lake samples.
Europe's heatwave boosted solar output, pushing some wholesale electricity prices below zero as solar met a large share of midday demand. The episode shows how surging renewables can depress prices even as grid and storage constraints limit benefits, with wind and hydro also pressured by heat. Analysts say expanding battery storage and upgrading the grid are essential to manage negative pricing and potential bill impacts.
Once a vocal advocate for a 100-by-100 mile solar solution to power the U.S., Elon Musk now runs xAI's Grok on 62 unpermitted methane gas turbines at two data centers, and has begun selling compute to Anthropic while positioning a space-based solar pitch to justify SpaceX’s planned $1.75–$2 trillion IPO. Grok’s popularity has fallen, the economics of orbital data centers remain dubious, and Musk’s pivot appears driven more by financial engineering for an IPO than by a practical solar energy revolution.
Researchers at UC Santa Barbara unveiled a liquid solar battery that captures sunlight and stores it indefinitely in chemical bonds using a DNA-inspired pyrimidone molecule (MOST technology), releasing heat on demand. With an energy density of about 1.65 MJ/kg—roughly double that of lithium‑ion batteries—the system could heat homes or power off‑grid applications without relying on the electrical grid.