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The PPA Honeymoon is Over: Stop Chasing Paper, Start Buying Batteries

A solar farm at sunset with a row of large battery storage containers in the foreground.
The future of bankable PPAs isn't in the contract—it's in the storage hardware.
Panellists addressed the challenges associated with signing a PPA, given the differences in priorities between the parties involved.

Everyone in the industry talks about Power Purchase Agreements (PPAs) as if they are the magic wand for subsidy-free solar. But the reality on the ground in markets like Spain, Poland, and Germany is that the 'standard' PPA is becoming a unicorn. The 'differences in priorities' mentioned in the article is actually code for a fundamental mismatch: Corporate offtakers want price certainty, while solar developers are increasingly selling a devalued product.

The Cannibalization Reality

If you’re a developer in Iberia or the Netherlands, you’ve seen the midday spot prices crater. When you approach a bank with a 'Pay-as-Produced' PPA today, they’re looking at your capture price—not the headline price. In high-penetration markets, solar capture prices are already seeing discounts of 30-40% against the baseload. Offtakers like Google or BASF aren't stupid; they know that the electricity you’re producing at 1:00 PM on a Tuesday in June is worth a fraction of the power they need for their 24/7 operations.

The Hardware Solution to a Legal Problem

We’ve spent too many years trying to solve this through creative lawyering and 'shape risk' clauses. It’s time to stop. As an analyst who has sat through enough of these stalled negotiations, my take is this: The only way to close a PPA in 2025 and beyond is to bring a battery to the table.

  • Shift from Price-Taker to Price-Maker: A 2-hour BESS attached to your 20MW plant in Poland allows you to offer a 'Base' or 'Standard' profile that corporate treasurers actually understand.
  • Eliminate the 'Haircut': By shifting production by even 90 minutes, you avoid the deepest part of the cannibalization curve, making your project bankable at a €60/MWh level instead of begging for €40/MWh.

If you are still pitching pure-play PV projects to corporate offtakers without a storage strategy, you are essentially asking them to gamble on the weather. They won't. They’ll just wait for the next developer who has a 10MW/20MWh Fluence or Tesla pack ready to go.

Why it matters: If you aren't bundling BESS with your PPA offers, you're just negotiating the size of your own haircut.
📰 Read original article at PV Tech →