ENERGY STAR
U.S. voluntary program for energy efficiency certification
ISO 27018
International code of practice for PII protection in public clouds
Quick Verdict
ENERGY STAR drives energy efficiency certification for products and buildings via voluntary benchmarking, while ISO 27018 extends ISO 27001 for cloud PII privacy controls. Companies adopt ENERGY STAR for cost savings and market edge; ISO 27018 for procurement trust and regulatory alignment.
ENERGY STAR
EPA ENERGY STAR Energy Efficiency Program
Key Features
- Mandatory third-party certification and verification testing
- Category-specific performance thresholds exceeding federal standards
- Portfolio Manager benchmarking for buildings and plants
- Standardized DOE test procedures across categories
- Strict brand governance and mark usage rules
ISO 27018
ISO/IEC 27018:2025 for PII protection in public clouds
Key Features
- Privacy-specific controls for public cloud PII processors
- Subprocessors transparency and location disclosure
- Prohibits PII use for marketing without consent
- Mandates breach notification to customers
- Supports data subject rights fulfillment
Detailed Analysis
A comprehensive look at the specific requirements, scope, and impact of each standard.
ENERGY STAR Details
What It Is
ENERGY STAR is the U.S. EPA's voluntary labeling and benchmarking program for superior energy efficiency. It sets category-specific performance thresholds above federal minimums using standardized DOE test procedures, covering products, homes, commercial buildings, and industrial plants.
Key Components
- Performance thresholds (e.g., 15% above standards for appliances)
- Third-party certification via EPA-recognized labs and bodies
- Ongoing verification testing (5-20% annually)
- Portfolio Manager for building scores (75+ for certification)
- Brand governance with strict mark usage rules
Why Organizations Use It
Reduces energy costs ($500B saved since 1992), emissions (4B tons avoided), unlocks rebates/procurement advantages, enhances reputation (90% consumer recognition), and supports ESG goals. Voluntary yet de facto standard in many markets.
Implementation Overview
Phased approach: assess gaps, test/certify products or benchmark buildings, deploy with labeling compliance, maintain via verification. Applies to manufacturers, builders, owners across U.S./Canada; requires partnership agreement, annual reporting.
ISO 27018 Details
What It Is
ISO/IEC 27018:2025 is a code of practice that extends ISO/IEC 27001 and ISO/IEC 27002 specifically for protecting personally identifiable information (PII) processed by public cloud service providers (CSPs) acting as PII processors. It addresses cloud challenges like multi-tenancy and cross-border data flows using a risk-based approach within an Information Security Management System (ISMS).
Key Components
- ~25–30 additional privacy-specific controls layered on ISO 27001 Annex A
- Core principles: consent/choice, purpose limitation, data minimization, accuracy, transparency, accountability
- Assessed during ISO 27001 audits; no standalone certification
Why Organizations Use It
- Builds customer trust, accelerates procurement via Statement of Applicability
- Aligns with GDPR Article 28, HIPAA processor obligations
- Mitigates risks, improves cyber insurance, enables market differentiation for CSPs
Implementation Overview
- Gap analysis, integrate controls into existing ISMS
- Update policies, contracts, subprocessors transparency
- Suited for CSPs all sizes; third-party audits tied to ISO 27001 certification
Key Differences
| Aspect | ENERGY STAR | ISO 27018 |
|---|---|---|
| Scope | Energy efficiency for products, buildings, plants | PII protection in public cloud services |
| Industry | All sectors, U.S.-focused, any size | Cloud providers globally, any size |
| Nature | Voluntary labeling/benchmarking program | Voluntary code of practice, ISO 27001 extension |
| Testing | Third-party labs, post-market verification 5-20% | ISO 27001 audits with privacy control assessment |
| Penalties | Delisting, label revocation, no fines | No legal penalties, certification withdrawal |
Scope
Industry
Nature
Testing
Penalties
Frequently Asked Questions
Common questions about ENERGY STAR and ISO 27018
ENERGY STAR FAQ
ISO 27018 FAQ
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