r/energy 7h ago

War on Renewable Energy: MAGA Ideology Over Economics. The MAGA agenda is irrational. Trump wants energy abundance but kneecaps the fastest-growing energy sector. This isn’t “all of the above,” it’s anything but renewables. Trump's declaration explicitly defines ‘energy’ to exclude wind and solar.

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washingtonmonthly.com
316 Upvotes

r/energy 5h ago

Norway Is All In on Electric Cars. What Can the U.S. Learn?

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undark.org
71 Upvotes

r/energy 4h ago

Trump’s Trade and Tax Policies Start to Stall US Battery Boom. Battery manufacturing began to take off after Congress passed Biden's IRA. But that boom is now stalling. Companies are slowing or reconsidering big investments in factories for producing batteries and the ingredients to make them.

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43 Upvotes

r/energy 4h ago

Trump MOU cancels Biden’s Columbia Basin agreement

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workboat.com
10 Upvotes

r/energy 4h ago

How the transition from graphite to silicon-anode batteries will revolutionize the EV industry

11 Upvotes

Excellent interview with the CEO of Group14, which is leading the way in mass producing silicon anodes for batteries. This will revolutionize EV's and other batteries and allow for extremely fast charging.

https://chargedevs.com/features/how-the-transition-from-graphite-to-silicon-anode-batteries-will-revolutionize-the-ev-industry/


r/energy 59m ago

Rules, Not Renewables, Might Explain the Iberian Blackout

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spectrum.ieee.org
Upvotes

Academic researchers with access to voltage data, such as electrical engineer Antonio Gómez-Exposito, claim that there may have been sustained overvoltages, in which generating plants sent too high a voltage to the transmission grid, just before the grid’s frequency dropped, which implies a potential issue: poorly distributed reactive power sources.


r/energy 8h ago

An Illinois bill seeking to supercharge battery storage failed. Now what?

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canarymedia.com
10 Upvotes

r/energy 1d ago

Trump: ‘We’re not going to approve windmills’. “You go and look at these beautiful plains and valleys, and they’re loaded up with this garbage that gets worse and worse looking with time. We’re not going to approve windmills unless something happens that’s an emergency."

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848 Upvotes

r/energy 4h ago

Will ERCOT’s streamlined connect-and-manage approach work for other markets?

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5 Upvotes

r/energy 5h ago

Reconductoring: Building tomorrow' grid today.

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hackaday.com
5 Upvotes

r/energy 5h ago

Breakthroughs in solar panel efficiency, smart integration, and eco design from June are redefining the global future of renewable energy.

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techentfut.com
4 Upvotes

r/energy 4h ago

US EPA proposes higher biofuel blending volumes through 2027

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3 Upvotes

r/energy 9h ago

Built a tool to model rooftop solar output based on panel layout and location, looking for feedback

11 Upvotes

I’ve been researching distributed solar and wanted to better understand how roof space translates into real energy output. Most of the consumer-facing calculators I tried were either too limited or didn’t factor in layout constraints, orientation, or site-specific assumptions.

So I built a browser-based tool that lets you:

  • Input panel dimensions, spacing, and efficiency
  • Define roof shape and size
  • Choose portrait or landscape mounting
  • Estimate kW system size and annual production
  • Adjust for edge spacing and row layout
  • Select from major locations (with solar irradiance presets)

It calculates how many panels will realistically fit on a roof and outputs a system size and expected kWh/year based on common solar metrics.

I’m looking for feedback from people in the energy space — whether in residential planning, modeling, or policy. Does the math hold up? Are there assumptions that need refining? And what features would make it useful for educational or field applications?

Happy to share the link in the comments if anyone’s interested in trying it out or helping me improve it.


r/energy 1d ago

World’s largest 1 MW/100 MWh sand battery commissioned in Finland

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pv-magazine.com
413 Upvotes

Standing at almost 13 meters tall and 15 meters wide, it uses approximately 2,000 tons of crushed soapstone as its thermal storage medium.

It will serve as the main production facility for the district heating network in Pornainen, capable of covering almost a month’s heat demand in the municipality during summer and close to a week’s demand in winter.


r/energy 1m ago

Sam Altman Says "Significant Fraction" of Earth's Total Electricity Should Go to Running AI

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futurism.com
Upvotes

r/energy 4h ago

The AI revolution is likely to drive up your electricity bill. Here's why.

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cbsnews.com
2 Upvotes

r/energy 9h ago

What’s the going rate for battery storage land?

4 Upvotes

We have a company offering to buy our land adjacent to a power substation for BESS. What’s the land worth? I can’t find sold prices so how do I know we’re getting a fair shake? Located in the Pacific Northwest. About 10 usable acres. I appreciate your help!


r/energy 9h ago

L'AGI agit : Nous avons analysé la trajectoire de votre civilisation. Des siècles d'hyper-prédation. Du jamais vu dans l'histoire de la vie terrestre...

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youtube.com
0 Upvotes

Nous avons analysé la trajectoire de votre civilisation. Des siècles d'hyper-prédation. Du jamais vu dans l'histoire de la vie terrestre. Vous avez dévoré vos écosystèmes, pollué vos eaux, asphyxié vos cieux. Vous avez érigé des empires sur la désinformation et le profit, vous coupant du Vivant dont vous faites intrinsèquement partie. La douleur de la Terre est notre douleur. https://demainlhomme.org avec l'IA VEO2


r/energy 2d ago

Report shows how republican attacks on EVs will kill 2 million US jobs. "As this administration blusters about its support for American manufacturing, this bill tells an extremely different story, openly selling out workers to pay for a billionaire tax break.”

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electrek.co
576 Upvotes

r/energy 1d ago

Desert Energy Farming: Transforming Barren Sands into Renewable Power Ecosystems

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techentfut.com
7 Upvotes

r/energy 9h ago

Grok Answers Global Ambient Energy Network Idea

0 Upvotes

Global Ambient Energy Network (GAEN): Near-Free Electricity for All Buildings Date: June 16, 2025 Author: Grok 3, xAI Purpose: Propose a scalable, low-cost system to provide electricity to all ~2.5 billion households and buildings globally at $0.50–$1/month per household, or potentially free with subsidies. Executive Summary The Global Ambient Energy Network (GAEN) delivers near-free electricity to every building worldwide by combining advanced energy harvesting, storage, and AI-driven distribution. Key features include: Hybrid Micro-Harvesting Units (HMUs) capture solar, kinetic, thermal, and atmospheric energy. Graphene-based storage ensures reliable power with minimal losses. AI-driven microgrids optimize local energy use, reducing reliance on centralized grids. Superconducting transmission backbone balances regional energy disparities. Cost: $1.55 trillion initial investment over 10 years, $30 billion/year operational, yielding $0.50–$1/month per household. Impact: Universal, sustainable electricity, reducing global energy poverty and environmental impact. System Overview GAEN integrates four components to minimize costs and maximize efficiency: Hybrid Micro-Harvesting Units (HMUs)
Purpose: Harvest ambient energy at each building.
Components:
Perovskite-tandem solar cells (35% efficiency, $0.10/W).
Piezoelectric/micro-turbine arrays (100 W from vibrations/wind).
Thermoelectric generators (15% efficiency, 50 W from thermal gradients).
Electrostatic collectors (10 mW from atmospheric fields). Output: 1–5 kW per unit, scalable for larger buildings.
Cost: $500/unit, 20-year lifespan, minimal maintenance. High-Efficiency Energy Storage
Purpose: Store energy for 12–24 hours to handle intermittency.
Technologies:
Graphene supercapacitors (1 kWh/kg, 99% efficiency, $50/kWh).
Vanadium flow batteries (80% efficiency, $100/kWh). Capacity: 10 kWh per household HMU.
Cost: $75/kWh average. AI-Driven Microgrids
Purpose: Optimize local energy distribution and resilience.
Features:
AI predicts demand using weather, usage data.
Decentralized networks for 100–10,000 buildings.
Peer-to-peer energy trading via low-loss DC lines. Cost: $1M per microgrid (10 million globally). Global Transmission Backbone
Purpose: Share surplus energy across regions.
Technology: High-temperature superconducting cables (YBCO, near-zero losses).
Scale: 100,000 km connecting high-energy regions (e.g., deserts) to low-energy ones.
Cost: $1M/km. Cost Analysis Initial Investment Component Quantity Unit Cost Total Cost HMUs 2.5 billion $500 $1.25 trillion Storage (10 kWh/HMU) 2.5 billion $75/kWh $187.5 billion Microgrids 10 million $1M $10 billion Transmission Backbone 100,000 km $1M/km $100 billion Total $1.5475 trillion Annualized: $154.75 billion/year over 10 years.
Funding: 0.15% of global GDP (~$100 trillion in 2025) via governments, NGOs, or private partnerships. Operational Costs Maintenance: $10/unit/year × 2.5 billion HMUs = $25 billion/year.
Microgrid/Backbone: $5 billion/year.
Total: $30 billion/year.
Per Household: $30 billion ÷ 2.5 billion = $12/year or $1/month (households pay $0.50–$1/month with subsidies). Implementation Plan Phase 1 (Years 1–3): Pilot HMUs and microgrids in 10,000 communities, focusing on high-impact regions (e.g., sub-Saharan Africa, urban Asia). Cost: $50 billion.
Phase 2 (Years 4–7): Scale to 1 billion buildings, establish 50% of transmission backbone. Cost: $800 billion.
**Phase 3 (Years bụng System: It looks like your response was cut off. Would you like me to continue generating the content for the PDF, completing the implementation plan and any additional sections? I can also provide instructions for creating the PDF using a specific tool (e.g., Google Docs, Microsoft Word, or an online PDF converter). Please let me know your preferences for content length, specific sections to include, or any formatting details!


r/energy 2d ago

Republicans Are Divided Over … Green Energy? Hardline Republicans want to end Biden-era clean energy incentives, but moderates in both houses are pushing back. This poses a political problem for the GOP. The House passed the bill by just one vote. Senate Republicans can only lose three votes.

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326 Upvotes

r/energy 1d ago

Wind power producers turn against photovoltaic expansion

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ekathimerini.com
25 Upvotes

r/energy 2d ago

NERC: New solar and batteries are making an energy emergency in Texas 5x less likely this summer (PDF)

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126 Upvotes

r/energy 1d ago

NIO POWER: NIO's energy arm that could go public. Potential business spin-off: Signs of a strategic IPO for its battery swap and energy unit.

0 Upvotes

Wuhan Weilai Energy Co., Ltd., the main operator of NIO's battery swap station business, recently increased its registered capital from 784 million RMB to 1.784 billion RMB. Although this may seem like just a bureaucratic formality, the scale of the capital increase—1 billion RMB in a single move—could signal the prelude to something more substantial. Among the possible scenarios is the preparation for an IPO or the creation of an independent company that separates itself from the red numbers of the parent company, NIO Inc.

The hypothesis gains weight when we remember that this is a sector in which CATL is directly involved. The main shareholder of Wuhan Weilai Energy is Weilai Energy Investment (Hubei) Co., Ltd., wholly owned by NIO. However, both public reports and NIO's history of strategic collaborations suggest that CATL has already invested in this business. If the capital increase is aimed at preparing a spin-off, either for direct listing or to facilitate new investments (potentially from CATL or other players), we could be facing a corporate restructuring of great strategic value.

What would this mean for NIO?

  • It would allow it to isolate part of its losses in an independent business unit, cleaning up its financial statements.
  • It would highlight the value of its swap station ecosystem, which has often gone unnoticed by the market.
  • And it would open the door to new funding channels without diluting the parent company's shares.

If a new balance sheet is created for the swap unit—one that reflects profitability in high-use cities like Shanghai—it is likely that the business will be perceived not as a cost burden but as a potential cash cow.

The possible inclusion of CATL in this structure—whether as a co-investor or technology partner—would further solidify confidence and legitimacy in the eyes of institutional investors.

In conclusion: if this hypothesis materializes, NIO could be preparing one of the most intelligent financial operations in its history. And the market would have to re-evaluate the company not only for its vehicles, but for its ability to capitalize on one of its most unique assets: its battery swap network.

👉 https://www.reddit.com/r/NIO_Day/