From pv magazine USA
Last year marked a significant change in the U.S. renewables landscape, as solar power purchase agreement (PPA) offer prices rose consistently in 2020. Fourth-quarter 2020 prices were 11.5% higher than in the fourth quarter of 2019, for an average price of $30.56 per MWh. In the third quarter of 2021, solar prices rose 14.7% year on year to $33.25/MWh.
These prices were tracked by LevelTen Energy in its quarterly PPA Price Index report. The latest edition of the report lays out the expectation that, until new supply chains emerge for the U.S. solar market, these increases will continue.
Broken down by independent system operator, PJM experienced the highest prices, averaging $37.5/MWh. That was followed by MISO at $35.0/MWh, SPP at $31.9/MWh, ERCOT at $28.0/MWh and CAISO at $29.5/MWh.
Since the trend first emerged, the consistent price increase has been driven by shifting supplies of polysilicon from Chinese suppliers suspected of using forced labor. Other issues include a shortage of PV components and new potential tariffs on solar module imports from Southeast Asia. However, solar PPA prices did not rise as high as many expected, which LevelTen says could be attributed to some developers taking a “wait-and-see” approach, before driving up their prices.
“There’s no denying that it’s currently a seller’s market. But, decisive buyers can use that to their advantage by understanding sellers’ motivations and constraints,” said Michael Casey, director of origination at LevelTen Energy. “For example, sellers are currently asking for emergency exits to be built into PPA contracts to protect themselves against regulatory uncertainty … these are provisions that may have seemed outlandish to buyers before, but they could become the new temporary norm until some of these development challenges are resolved.”
Most developers that LevelTen contacted in creating the report (53%) said they are altering their supply policies by incorporating anti-forced labor provisions into their module supply contracts. Roughly 20% are going further in reporting that they are renegotiating module supply contracts, and nearly 30% said that they are finding new module suppliers.
Despite these new constraints, only 8% of developers reported delaying, terminating, or planning fewer projects. This relative normalcy in the face of change may not hold forever, as respondents highlighted interconnection timelines and costs (89%), permitting challenges (52%), and solar supply chain challenges and constraints (50%) as barriers to achieving the level of solar development the Biden administration is eyeing.
“Solar developers across the U.S. are navigating many challenges,” said Gia Clark, senior director of developer services at LevelTen Energy. “Long interconnection queues tend to put upward pressure on PPA prices, as they create uncertainty around commercial operation timelines and overall project costs. Though MISO solar prices this quarter experienced their first downward trend in a year, it would be unsurprising to see their rising trend resume in Q4.”
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