The Energy Question Has an Easy Solution - Revision history

Marcin at 01:34, 20 April 2026

2026-04-20T01:34:23Z

← Older revision		Revision as of 01:34, 20 April 2026
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	The limiting factor is not energy physics, but capital formation, manufacturing scale-up, material throughput, and coordination.		The limiting factor is not energy physics, but capital formation, manufacturing scale-up, material throughput, and coordination.

	*If we start merely with a MW - then the conversion time is 8 years if we reinvest 100% energy.		{{check}}*If we start merely with a MW - then the conversion time is 8 years if we reinvest 100% energy.

	=Parts of a Panel=		=Parts of a Panel=

Marcin at 01:34, 20 April 2026

2026-04-20T01:34:10Z

← Older revision		Revision as of 01:34, 20 April 2026
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	If PV has a 0.5-year energy payback time and 50% of its output is reinvested, then the energy basis for replacing global energy use exists on a roughly 17-year timescale from a 1 MW start.		If PV has a 0.5-year energy payback time and 50% of its output is reinvested, then the energy basis for replacing global energy use exists on a roughly 17-year timescale from a 1 MW start.
	The limiting factor is not energy physics, but capital formation, manufacturing scale-up, material throughput, and coordination.		The limiting factor is not energy physics, but capital formation, manufacturing scale-up, material throughput, and coordination.

			*If we start merely with a MW - then the conversion time is 8 years if we reinvest 100% energy.

	=Parts of a Panel=		=Parts of a Panel=

Marcin at 01:26, 20 April 2026

2026-04-20T01:26:39Z

← Older revision		Revision as of 01:26, 20 April 2026
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			https://chatgpt.com/share/69bfb1ad-3f18-8010-9518-7f69f0dd82f7

	Energy payback is now as little as 0.5 years for utility scale PV. Not counting any open source integrated design improvements. To take it to 0.25 year energy payback time ([[UMG]] gets us 30% lower energy already), which is impossible, and thus a perfect project for OSE to take on.		Energy payback is now as little as 0.5 years for utility scale PV. Not counting any open source integrated design improvements. To take it to 0.25 year energy payback time ([[UMG]] gets us 30% lower energy already), which is impossible, and thus a perfect project for OSE to take on.

Marcin: /* Parts of a Panel */

2026-03-22T09:07:36Z

Parts of a Panel

← Older revision		Revision as of 09:07, 22 March 2026
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	! Component !! Description !! Typical Embodied Energy Share (% of module) !! Approx. Material Weight Required per 1 MW of Finished PV Panel		! Component !! Description !! Typical Embodied Energy Share (% of module) !! Approx. Material Weight Required per 1 MW of Finished PV Panel
	\|-		\|-
	\| Silicon Feedstock & Ingot \|\| Quartz → polysilicon → crystal growth (Czochralski or similar) \|\| 25–40% \|\| ~1.3–1.6 t silicon in finished modules ''(upstream feedstock needed is higher after kerf/yield losses)''		\| Silicon Feedstock & Ingot \|\| Quartz → polysilicon → crystal growth (Czochralski or similar) \|\| 25–40% \|\| ~1.3–1.6 t silicon in finished modules ''(upstream feedstock needed is 30% higher after kerf/yield losses)''
	\|-		\|-
	\| Wafering \|\| Slicing ingots into wafers (kerf loss, sawing energy) \|\| 10–20% \|\| N/A — process step, not a distinct added bulk material		\| Wafering \|\| Slicing ingots into wafers (kerf loss, sawing energy) \|\| 10–20% \|\| N/A — process step, not a distinct added bulk material

Marcin: /* Parts of a Panel */

2026-03-22T09:06:17Z

Parts of a Panel

@@ Line 13: / Line 13: @@
 =Parts of a Panel=
 =Links=
 *[[Embodied Energy of PV]]

Marcin at 09:04, 22 March 2026

2026-03-22T09:04:11Z

← Older revision		Revision as of 09:04, 22 March 2026
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	If PV has a 0.5-year energy payback time and 50% of its output is reinvested, then the energy basis for replacing global energy use exists on a roughly 17-year timescale from a 1 MW start.		If PV has a 0.5-year energy payback time and 50% of its output is reinvested, then the energy basis for replacing global energy use exists on a roughly 17-year timescale from a 1 MW start.
	The limiting factor is not energy physics, but capital formation, manufacturing scale-up, material throughput, and coordination.		The limiting factor is not energy physics, but capital formation, manufacturing scale-up, material throughput, and coordination.

			=Parts of a Panel=

	=Links=		=Links=
	*[[Embodied Energy of PV]]		*[[Embodied Energy of PV]]

Marcin at 09:00, 22 March 2026

2026-03-22T09:00:40Z

← Older revision		Revision as of 09:00, 22 March 2026
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	T_p is payback time. f = reinvestment fraction. So real impact comes from payback time shortening, and reinvestment expansion.		T_p is payback time. f = reinvestment fraction. So real impact comes from payback time shortening, and reinvestment expansion.

	If we start with 1 MW, and reinvest 50% of energy back into PV manufacturing as a 'solar breeder reactor' - then we have 17 years to replace all energy on earth.		'''If we start with 1 MW, and reinvest 50% of energy back into PV manufacturing as a 'solar breeder reactor' - then we have 17 years to replace all energy on earth. '''

			If PV has a 0.5-year energy payback time and 50% of its output is reinvested, then the energy basis for replacing global energy use exists on a roughly 17-year timescale from a 1 MW start.
			The limiting factor is not energy physics, but capital formation, manufacturing scale-up, material throughput, and coordination.

	=Links=		=Links=
	*[[Embodied Energy of PV]]		*[[Embodied Energy of PV]]

Marcin at 08:59, 22 March 2026

2026-03-22T08:59:15Z

← Older revision		Revision as of 08:59, 22 March 2026
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	T_p is payback time. f = reinvestment fraction. So real impact comes from payback time shortening, and reinvestment expansion.		T_p is payback time. f = reinvestment fraction. So real impact comes from payback time shortening, and reinvestment expansion.

			If we start with 1 MW, and reinvest 50% of energy back into PV manufacturing as a 'solar breeder reactor' - then we have 17 years to replace all energy on earth.
	=Links=		=Links=
	*[[Embodied Energy of PV]]		*[[Embodied Energy of PV]]

Marcin at 08:48, 22 March 2026

2026-03-22T08:48:08Z

← Older revision		Revision as of 08:48, 22 March 2026
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	=~~Embodied Energy of PV=~~		=Links=
	~~{\| class~~=~~"wikitable sortable"~~		*[[Embodied Energy of PV]]
	~~! Component !! Description !! Typical~~ Embodied Energy ~~Share (%~~ of ~~module)~~
	\|-
	~~\| Silicon Feedstock & Ingot \|\| Quartz → polysilicon → crystal growth (Czochralski or similar) \|\| 25–40%~~
	\|-
	~~\| Wafering \|\| Slicing ingots into wafers (kerf loss, sawing energy) \|\| 10–20%~~
	\|-
	~~\| Cell Processing \|\| Doping, diffusion, etching, deposition (PECVD), metallization \|\| 15–25%~~
	\|-
	~~\| Glass (Front Sheet) \|\| Tempered low-iron solar glass (~3–4 mm) \|\| 10–20%~~
	\|-
	~~\| Encapsulant (EVA/POE) \|\| Polymer layers for lamination \|\| 3–8%~~
	\|-
	~~\| Backsheet (or rear glass if bifacial) \|\| Polymer backsheet or second glass layer \|\| 3–10%~~
	\|-
	~~\| Aluminum Frame \|\| Extruded frame + finishing \|\| 5–15%~~
	\|-
	~~\| Junction Box & Wiring \|\| Diodes, copper wiring, connectors \|\| 2–5%~~
	\|-
	~~\| Module Assembly \|\| Lamination, curing, handling, factory overhead \|\| 3–8%~~
	\|-
	~~! Total !! \|\| ~100%~~
	\|}

	~~=For Upgraded Metallurgical Grade Silicon=~~

	~~About 30% lower overall energy requirement over standard~~ PV.

	~~{\| class="wikitable sortable"~~
	~~! Component !! Description !! Typical Embodied Energy Share (% of module, UMG silicon)~~
	\|-
	~~\| Silicon Feedstock & Refining (UMG) \|\| Metallurgical silicon upgraded via slag refining / directional solidification (no Siemens process) \|\| 10–20%~~
	\|-
	~~\| Ingot Growth \|\| Crystal growth or casting (lower purity requirements than electronic-grade) \|\| 10–20%~~
	\|-
	~~\| Wafering \|\| Slicing or kerfless wafer production \|\| 10–20%~~
	\|-
	~~\| Cell Processing \|\| Doping, diffusion, passivation, metallization \|\| 20–30%~~
	\|-
	~~\| Glass (Front Sheet) \|\| Tempered low-iron solar glass (~3–4 mm) \|\| 15–25%~~
	\|-
	~~\| Encapsulant (EVA/POE) \|\| Polymer layers for lamination \|\| 5–10%~~
	\|-
	~~\| Backsheet / Rear Glass \|\| Polymer backsheet or second glass layer (bifacial increases share) \|\| 5–15%~~
	\|-
	~~\| Aluminum Frame \|\| Extruded frame + finishing \|\| 8–18%~~
	\|-
	~~\| Junction Box & Wiring \|\| Diodes, copper wiring, connectors \|\| 2–5%~~
	\|-
	~~\| Module Assembly \|\| Lamination, curing, factory overhead \|\| 5–10%~~
	\|-
	~~! Total !! \|\| ~100%~~
	\|}

Marcin at 08:47, 22 March 2026

2026-03-22T08:47:37Z

← Older revision		Revision as of 08:47, 22 March 2026
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	[[File:pg.png]]		[[File:pg.png]]

			T_p is payback time. f = reinvestment fraction. So real impact comes from payback time shortening, and reinvestment expansion.