MainePERS · Glossary

MainePERS words, in plain English

The terms you'll see in MainePERS's Teacher Member Handbook for the Maine Public Employees Retirement System, State Employee and Teacher Retirement Program and on this site, each in a sentence or two, with its source.

These are the words you'll meet in MainePERS letters and on these pages. To put them to work, try the MainePERS calculator, or start with your retirement age group and the formula.

Average final compensation (AFC)

The average of your three highest years of earnable compensation.

Handbook p. 16More on this →

Beneficiary

The person you name to receive payments after you die. Options 2 to 8 pay a beneficiary for life or a share; Option 1 pays any money left in your account.

Handbook pp. 18-20, Selecting a Benefit Payment OptionMore on this →

Bona fide termination

Really leaving your job, with no agreement to come back. Retiring before 59 1/2 without one brings the IRS 10% early distribution tax.

Handbook p. 14, Terminating Employment; 94-411 C.M.R. ch. 410, §1(3)More on this →

COLA base

The part of your yearly benefit the COLA applies to; $27,142.56 in 2026, $27,956.84 in 2027.

MainePERS COLA pageMore on this →

CPI-U

The Consumer Price Index for All Urban Consumers. The MainePERS COLA follows its rise from July 1 to June 30, up to 3%.

Handbook p. 22, Cost-of-Living Adjustment (COLA); 5 M.R.S. §17806(1)(A)More on this →

Early retirement reduction

The permanent cut for starting before your normal retirement age, allowed only with 25 years of service: 6% a year (age-62 and age-65 groups) or about 2 1/4% a year (age-60 group).

Handbook p. 17, NoteMore on this →

Earnable compensation

The pay MainePERS counts for contributions and your AFC. Retirement incentives aren't included.

Handbook pp. 2, 22, Membership; Retirement IncentivesMore on this →

Full Benefit

The highest payment option, for your life only; Options 1-8 are reduced from it.

Handbook p. 18More on this →

Normal retirement age (NRA)

The age (60, 62 or 65) at which you can retire without an early reduction.

Handbook p. 15More on this →

Pick-up contributions

Your contributions paid by your employer through a salary reduction (IRC 414(h)).

Handbook p. 10More on this →

Pop-up

In Options 6, 7 and 8, your payment rises to the Full Benefit if your beneficiary dies before you.

Handbook p. 19, Options 6-8More on this →

Refund

A payment of your own contributions plus interest when you leave. It ends your MainePERS membership and benefits.

Handbook pp. 9-10, Taking a RefundMore on this →

Restoration to service

Going back to work for the 'same employer' (any State Employee and Teacher-covered job) after retiring.

Handbook p. 23More on this →

Service credit

The years and parts of years you're credited with. Full-time work earns a year for a year; part-time, per-diem and hourly work earn a share.

Handbook pp. 5-6, How Service Credit AccumulatesMore on this →

Vested

Having enough service (5 years, or 10 if you left before October 1, 1999) to get a benefit at your normal retirement age instead of only a refund.

Handbook pp. 15-16, Eligibility for a Service Retirement Benefit (Being Vested)More on this →

Source: MainePERS Benefits for Teachers: Teacher Member Handbook, 2026, pp. 2, 5-6, 9-10, 14, 15-16, 17, 18-20, 22, 23. Also: MainePERS COLA page; 5 M.R.S. § 17806; MainePERS rule 94-411 C.M.R. ch. 410. Last reviewed .