Constellation · Reviews
Constellation reviews 2026
4.9/5
based on 7,600 reviews
Customer feedback from Trustpilot, Google, BBB and the Selectra Reviews network, plus an editorial verdict from our energy team.
Ratings at a glance
Constellation across review platforms
4.9/5
7,600 reviews
Selectra editorial verdict
Constellation is the safest, largest and most operationally robust competitive supplier in the US — backed by a public balance sheet (NASDAQ: CEG) and the country's biggest carbon-free generation fleet. It is rarely the cheapest, but the brand premium pays for genuine customer-service depth, multi-state coverage, and a renewable-plan story that is actually backed by owned generation rather than market-bought RECs alone. The two pitfalls to watch: door-to-door sales pressure in the Northeast, and the renewal default to a more expensive variable rate — always read the renewal letter and compare against your utility's price-to-compare before re-signing.
Pros
- Largest competitive retail energy supplier in the US — operational scale, balance-sheet strength and the deepest wholesale-trading capability.
- Public company (NASDAQ: CEG) with audited financials — full transparency on credit quality and operational performance.
- A+ BBB rating with long-standing accreditation across most state subsidiaries.
- Owns the largest carbon-free generation fleet in the US (nuclear + hydro + renewables) — renewable plans are genuinely backed by owned assets.
- Wide product range: 12/24/36-month fixed, variable, 100% renewable, EV plans and home-services bundles.
- Strong customer-portal and mobile-app experience — bill pay, usage analytics and renewal management work cleanly.
Cons
- Headline rates rarely beat the cheapest competitor in any state — Constellation typically prices in the top quartile, leveraging brand trust.
- Texas plans carry a $9.95 base charge that inflates the effective rate on low-usage households.
- Aggressive door-to-door and telemarketing tactics have generated complaints over the years in several Northeast states.
- Renewal letters can default customers to a more expensive month-to-month plan — set a calendar reminder for your contract end date.
- Early-termination fee of $150 is on the higher end of the market on most plans.
Common questions about Constellation reviews
Constellation reviews — answers
Reliability is best judged across multiple sources, not one platform. Trustpilot and Google reviews skew negative (dissatisfied customers post more often), while BBB ratings reflect complaint handling. The most balanced check: look at the BBB letter grade for complaint resolution, scan recent (last 6 months) Trustpilot reviews for recurring themes, and compare Constellation's unit rate against your utility's price-to-compare before signing up.
Retail energy is a complaint-driven category — customers rarely write reviews when their bill arrives correctly, but a billing dispute, a variable-rate surprise, or a renewal price increase often triggers a 1-star review. The same dynamic affects every US retail-energy brand. The BBB complaint-resolution rate and the state public-utility-commission complaint reports (often public) tend to be more representative than aggregate review scores.
You can leave reviews on Trustpilot, Google, the BBB profile and the Selectra Reviews network. Selectra Reviews verifies that the reviewer is a real Constellation customer before publishing — so the signal is higher quality than open platforms.