---
schema_version: "secwatch.filing_event.v1"
accession: "0001488139-21-000128"
form_type: "8-K"
ticker: "AMRC"
cik: "0001488139"
company_name: "Ameresco, Inc."
filed_at: "2021-10-22T23:59:59+00:00"
generated_at: "2026-06-28T18:47:17.607292+00:00"
event_type: "other_material"
sentiment: "positive"
materiality_score: 0.8
calibrated_materiality_score: 0.8
confidence: "high"
source: SEC EDGAR
---

# Ameresco signs $892M EPCM contract with SCE for 537.5 MW battery storage

## Summary
- Three BESS facilities totaling 537.5 MW (2.15 GWh) at SCE substations in CA; total EPC price ~$892M.
- Guaranteed completion by August 1, 2022; liquidated damages if delayed (0.015%-0.4% daily, capped at 10% per facility).
- Availability guarantee of 97% for initial 2 years; SCE option to extend up to 13 more years.
- Contract signed after Q3 close, no Q3 impact; financial update on Nov 1 earnings call.

## SEC filing metadata
- accession: 0001488139-21-000128
- form_type: 8-K
- ticker: AMRC
- cik: 0001488139
- company_name: Ameresco, Inc.
- filed_at: 2021-10-22T23:59:59+00:00
- event_type: other_material
- sentiment: positive
- materiality_score: 0.8
- calibrated_materiality_score: 0.8
- confidence: high
- sec_items: 1.01, 7.01, 8.01, 9.01
- EDGAR index: https://www.sec.gov/Archives/edgar/data/1488139/000148813921000128/0001488139-21-000128-index.htm
- EDGAR primary document: https://www.sec.gov/Archives/edgar/data/1488139/000148813921000128/amrc-20211021.htm

## Machine-readable alternates
- HTML: https://secwatch.observer/filing/0001488139-21-000128
- JSON: https://secwatch.observer/filing/0001488139-21-000128.json
- Plain text: https://secwatch.observer/filing/0001488139-21-000128.txt

This AI-assisted summary is a reading aid. Review the linked SEC EDGAR filing before relying on any specific claim.