Natural Gas ‘Actually Benefits’ Solar, Says Lux
Unsubsidized utility-scale solar electricity will become cost-competitive with natural gas by 2025, according to Lux Research. In fact, increased gas penetration actually benefits solar by enabling hybrid gas/solar technologies that can accelerate adoption and increase intermittent renewable penetration without expensive infrastructure improvements.
Solar’s competitiveness is led by a 39 percent fall in utility-scale system costs by 2030 and accompanied by barriers to shale gas production – anti-fracking policies in Europe and a high capital cost in South America.
On the macroeconomic level, a ‘golden age of gas’ can be a bridge to a renewable future as gas will replace coal until solar becomes cost competitive without subsidies. On the microeconomic level, solar integrated with natural gas can lower costs and provide stable output, according to Lux’s report, “Cheap Natural Gas: Fracturing Dreams of a Solar Future.”
Lux Research analysts created a bottom-up system cost model and analyzed levelized cost of energy (LCOE) to evaluate solar, gas, and hybrid technologies’ competitiveness under different gas price scenarios across 10 regions around the world through 2030. Among their findings:
- Gas price remains a key factor. Solar can be competitive with natural gas as early as 2020 if gas prices are between $4.90/MMBtu and $9.30/MMBtu, depending on the solar resource. In the likely scenario of gas prices above $7.60/MMBtu, solar will be broadly competitive by 2025 in all 10 regions.
- Solar system prices fall to $1.20/W. While electricity price from natural gas is driven by cost of fuel, price of solar power is driven by system capex. Utility-scale thin film leads the pack with installed system prices that fall from $1.96/W in 2013 to $1.20/W in 2030, primarily due to increasing module efficiencies.
- Subsidized-to-unsubsidized transition will be turbulent. Turmoil is imminent because standalone solar will not yet be competitive when subsidies start expiring in markets like China, the US and Japan. Companies will need to diversify geographically and transition to areas with fewer gas resources – or develop hybrid systems that take advantage of low gas prices.
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