Investors pile into clean energy as Iran war drives push for energy security

Green Tech Investment & Commodity Cycles

• Several note green stocks have behaved like classic commodities: demand spikes → Chinese factories ramp → glut and price crash → capacity shuts → cycle repeats.
• Others point out oil and many commodities historically show similar boom–bust patterns, though some claim oil markets have recently “settled down” (e.g., fewer new rigs even with high prices).

Manufacturing, Industrial Policy & Domestic Capacity

• Many argue Western green-tech investment returns are weak because China gives stable support and scale, while Western policy is unstable or hostile.
• A few US manufacturers (solar, batteries, inverters) are listed, but multiple commenters say domestic production is still small, fragmented, and often reliant on global supply chains.
• Some see a “missed opportunity” in not building upstream capacity (polysilicon, ingots, wafers) in the US/EU.

Dependence on China & Energy Security

• Strong debate on whether relying on cheap Chinese solar/batteries repeats Europe’s Russian gas mistake.
• One camp: dependence is dangerous, especially with Chinese control of critical mineral refining and possible firmware backdoors / remote kills in inverters and IoT-connected power electronics.
• Counter‑camp: solar and batteries are “stock” not “flow” — once installed, they produce for decades, unlike fuel that must be continuously imported. Dependency risk is seen as far lower and manageable via later local manufacturing, stockpiling, and sourcing from non‑Chinese suppliers.

Technology Limits: Intermittency, Density & Heavy Loads

• Multiple posts stress that renewables are low power‑density and intermittent. They see long‑term baseload for heavy industry and AI data centers coming from nuclear and gas (with renewables best for homes and light commerce).
• Others argue that rapid cost declines in batteries (including sodium-ion, LiFePO₄) and large-scale deployment will let renewables dominate, though seasonal/storage challenges remain unsolved in policy debates.

Politics, War & Fossil Interests

• Several tie US policy and current Middle East/Iran conflict to protecting or enriching North American hydrocarbon producers; others dispute the asserted intent but agree the net effect favors oil and gas.
• Some blame US political resistance, lobbying by fossil interests, and nostalgia for mid‑20th‑century power structures for slow green transition; others note the US still invests in renewables but leadership can slow, not stop, the shift.

Personal Transitions & Economics

• Individual anecdotes show fully electric homes (heat pumps, induction, rooftop solar, batteries) now beating fossil systems financially, especially in Europe post‑2022 crisis.
• Heat pump performance in cold climates is discussed, with new models reported to work down to −25 to −30°C, though mist/defrosting and insulation can be issues.