Key points
- SEG is fast and flexible; PPA is long and stable
- Below ~250 kW, SEG usually wins
- Above ~1 MW, a PPA usually wins
- Hybrid 3–5 year products can be the sweet spot in between
SEG in one sentence
Short contracts, quick to sign, rates change annually. Great for small systems and flexibility.
PPA in one sentence
Long contracts, longer negotiation, price certainty for a decade or more. Great for large systems and financeable projects.
Break-point
Below about 250 kW, SEG almost always wins on simplicity. Above 1 MW, a PPA almost always wins on total revenue and financeability. In between, it depends.
Hybrid approaches
Some suppliers now offer 3–5 year SEG-plus products that split the difference — worth asking for.
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