Bundling multiple commercial sites into a single supplier RFP unlocks 6 to 9 percent rate concessions vs shopping each site independently. The aggregation works best when sites share a utility delivery zone (e.g., 12 stores all on Oncor or all on PSE&G). Cross-state aggregation is possible but requires separate contracts per utility because supplier certification is state-specific.
How many sites to bundle
Minimum effective bundle size: 5 sites. Below 5, the supplier acquisition cost dominates the savings. Above 5, the per-account pricing concession grows.
Sweet spot: 12 to 25 sites under a single utility. Above 25, savings start to plateau because suppliers reach their internal pricing floor for an aggregate of that size.
Cross-state aggregation rules
Supplier certifications are state-specific. A single supplier can be certified in multiple states but the contract must be executed separately for each state because of state-level disclosure rules.
For chains operating in 4+ states, the right approach is a master agreement with a single supplier and state-specific addenda. Some suppliers offer single-bill consolidation.
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Further reading