Categories
-
Recent Posts
- Peak Menhaden
- Hemp for paper, textiles, the war on drugs, and more
- Why towns have a hard time adding EV, solar, heat pumps
- Building a national super grid in America
- The Mayflower from the book The Barbarous Years
- Deep Sea Oil
- Book review of “Livewired. The inside story of the ever-changing brain”
- The conveyor belt may be slowing down — Yikes!
- Battery Energy storage batteries (BESS) too complex to ever be commercial
- New war and energy alliances over next resource wars
- Book review of “Siege: Trump Under fire”
- Why do people vote for Trump?
- Book review of “Pandemic Politics: The Deadly Toll of Partisanship in the Age of COVID”
- The evolution of the Republican party from 1960 to 2024: from moderate democracy to extreme authoritarianism
- Why some people are conservative and others liberal
Tag Archives: photovoltaic
Negative energy return of solar PV in Northern Europe
Preface. I once yanked this paper after huge blow back, almost as bad as nuclear proponents, but in the past few years, I have no reason to doubt Ferroni and Hopkirks methods, boundaries, or conclusions, so I’m putting this post … Continue reading
Posted in Photovoltaic Solar, Solar EROI
Tagged energy return, EROEI, photovoltaic, solar
Comments Off on Negative energy return of solar PV in Northern Europe
Not enough rare metals to scale up solar power
Preface. Sunshine may be free, but the materials to make solar contraptions sure aren’t. Since sunshine arrives in a diluted form, vast expanses of solar photovoltaic panels will be needed to produce the world’s 24,000 Terawatt hours of electrical … Continue reading
Posted in Alternative Energy, Mining, Peak Critical Elements, Peak Rare Earth Elements, Photovoltaic Solar, Recycle, Recycling
Tagged gallium, indium, photovoltaic, PV, rare earth, Ruthenium, solar, tellurium
5 Comments