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Commitment discounts · Medium severity

EC2 RI Coverage Below 50%

More than half of steady, always-on usage is being billed at on-demand rates, the portion a reservation is priced to cover.

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AWSprovider
Mediumseverity
Savingswhere it shows up
Manualfix, steps written out

AWS

Found, explained, handed over.

Findings with a dollar figure attached, idle, oversized, orphaned, unscheduled and undiscounted spend.

01

Detect

ZopNight checks this automatically across AWS, with read-only access to the account.

02

Explain

Every finding says exactly what to change: Raise Reserved Instance coverage for EC2. Where the saving can be proven it is priced; where it cannot, the finding says so.

03

Fix

The finding opens with the fix already written out, step by step, so it is one ticket, not an investigation.

Applies to
EC2 Instances on AWS
The fix, by hand
  1. Cost Explorer → Reservations → Recommendations → filter EC2. Review AWS-suggested RI footprint.
  2. Confirm the candidate instance family is stable for the next 1-3 years (no planned migration / refactor).
  3. Decide RI flavour: Standard (deepest discount, locked family), Convertible (smaller discount, can exchange), or skip and buy a Compute Savings Plan instead.
  4. EC2 → Reserved Instances → Purchase → match instance type, region, AZ scope, term.
  5. Within 24h verify the RI is Active and tracking against this instance in Reservations.

These are the steps the finding carries in the product.

Category
Commitment discounts. Reserved Instance, Savings Plan and Committed Use opportunities, where steady usage justifies a commitment.
Where it appears
The Savings tab of Recommendations, with every affected resource listed.
Rule ID
RC-1506
Full reference

EC2 RI Coverage Below 50%

Related checks

See the discount opportunities in your account.

Connect a read-only role and the first pass runs on your own estate. This check, and the rest of the catalogue, with it.

Prefer to talk it through first? Book 20 minutes with the team.

  • $30M+annualised cloud spend under management
  • 550K+resources tracked since launch
  • 20-60%off the bill in the first month
  • SOC 2Type II report, plus ISO 27001

Figures published on zop.dev.

Multi-cloud automation· Production-ready in 30 min· SOC 2 · ISO 27001· 20–60% off the bill, first month· 4 platforms · 1 console· Multi-cloud automation· Production-ready in 30 min· SOC 2 · ISO 27001· 20–60% off the bill, first month· 4 platforms · 1 console·